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<title><![CDATA[EC21 Product Catalogs - air flow system]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/air_flow_system--2673/1/air flow system.html]]></link><item>
<title><![CDATA[Water Hammer Arrester]]></title><link><![CDATA[https://gtijames7.en.ec21.com/Water_Hammer_Arrester--12064232_12064233.html]]></link><description><![CDATA[Water Hammer Arrestors LEAD FREE*
Size : 1/2” -1” (15~25mm)
What is Water Hammer?
The noise from banging pipes is caused by shocks of high speed water flowing 
in the piping system when a fixture]]></description><pubDate><![CDATA[20251210]]></pubDate></item>
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<title><![CDATA[ELECTRONIC HAMMER SYSTEM  Electric Vibration &amp; Impact Device for Hopper &amp; Silo Flow Aid]]></title><link><![CDATA[https://fascoeng.en.ec21.com/ELECTRONIC_HAMMER_SYSTEM_Electric_Vibration--12063119_12063120.html]]></link><description><![CDATA[FASCOENG ELECTRONIC HAMMER SYSTEM is an electric vibration and impact device designed to solve powder flow problems such as bridging, caking, and clogging in silos, hoppers, bag filters, and chutes.
]]></description><pubDate><![CDATA[20251113]]></pubDate></item>
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<title><![CDATA[Biomass Carbonization Furnace]]></title><link><![CDATA[https://bntet.en.ec21.com/Biomass_Carbonization_Furnace--12042309_12042327.html]]></link><description><![CDATA[flower stalks, peach pits and so on.Sludge: municipal sludge, river sludge, industrial sludge,Waste, municipal solid waste.modelBN-WBF-100BN-WBF-500BN-WBF-1000BN-WBF-2000BN-WBF-3000BN-WBF-5000capacit]]></description><pubDate><![CDATA[20250211]]></pubDate></item>
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<title><![CDATA[Ozone Water Generator]]></title><link><![CDATA[https://qjozonetech.en.ec21.com/Ozone_Water_Generator--11938412_12036987.html]]></link><description><![CDATA[flow
L/Min
1-2
2-3
3-4
4-5
5-6
Gas supply
Inner oxygen generator or self oxygen source
Air compressor
Inner air compressor
Ozone water flow
M3/Hr
Customized water flow rate
Control
Oxygen/ozone On/of]]></description><pubDate><![CDATA[20250115]]></pubDate></item>
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<title><![CDATA[PSA Oxygen Generation]]></title><link><![CDATA[https://psaoxygenerator.en.ec21.com/PSA_Oxygen_Generation--12015940_12015941.html]]></link><description><![CDATA[flow, at a fraction of the cost of traditional gas delivery. We provide oxygen generators that deliver a quick return on investment, ensuring stable and predictable annual costs. Even custom-designed]]></description><pubDate><![CDATA[20241010]]></pubDate></item>
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<title><![CDATA[Vacuum Brazing Furnace]]></title><link><![CDATA[https://und24.en.ec21.com/Vacuum_Brazing_Furnace--12009016_12009027.html]]></link><description><![CDATA[system. The furnace body is equipped with a safety valve device, and there are interlocking circuits such as air pressure, vacuum, water pressure, and heating.
4.6 The heating power supply uses a sin]]></description><pubDate><![CDATA[20240924]]></pubDate></item>
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<title><![CDATA[Ammonia Absorption Tower  Spray Tower Waste Gas Treatment Equipment]]></title><link><![CDATA[https://hairui05299.en.ec21.com/Ammonia_Absorption_Tower_Spray_Tower--11996706_11996707.html]]></link><description><![CDATA[flowing into a circulating pool via gravity.
Purified gas is expelled, while wastewater is periodically removed from the pool, carrying sludge away.
Features:
Minimal noise, stable operation, and eas]]></description><pubDate><![CDATA[20240902]]></pubDate></item>
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<title><![CDATA[Corn Dry Machine Maize Dry Machine]]></title><link><![CDATA[https://qingshannj.en.ec21.com/Corn_Dry_Machine_Maize_Dry--9855828_10107976.html]]></link><description><![CDATA[air from the husk burner gets into the mixed-flow drying layer to across and heat the grain under the action of two electric fans. The air flows and takes off the moisture of the grain. Then the exha]]></description><pubDate><![CDATA[20240820]]></pubDate></item>
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<title><![CDATA[Industrial Blowers]]></title><link><![CDATA[https://bernyeangroup.en.ec21.com/Industrial_Blowers--11954360_11954361.html]]></link><description><![CDATA[https://www.bernyeangroup.com/products.html
By focusing on energy efficiency, maintenance, noise reduction, air quality, system integration, and application-specific solutions, the performance of Roo]]></description><pubDate><![CDATA[20240620]]></pubDate></item>
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<title><![CDATA[Vacuum Oil Quenching Furnace]]></title><link><![CDATA[https://haoyuefurnace.en.ec21.com/Vacuum_Oil_Quenching_Furnace--11953323_11953365.html]]></link><description><![CDATA[system: frequency conversion control motor drive agitator, guide plate can promote the reasonable circulation flow of vacuum quenching oil, improve the cooling capacity of quenching oil. It has a pat]]></description><pubDate><![CDATA[20240618]]></pubDate></item>
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<title><![CDATA[Bg Series Auto Pharmaceutical Equipment Medicine Pill Tablet Film Coating Machine]]></title><link><![CDATA[https://maggie1234567.en.ec21.com/Bg_Series_Auto_Pharmaceutical_Equipment--11929357_11929413.html]]></link><description><![CDATA[system, hot-air cabinet, exhaust cabinet and the thermostatic mixing drum are made of high quality, stainless steel, which conforms to &quot;GMP&quot; requirements.Performance and characteristics: 1.During air]]></description><pubDate><![CDATA[20240606]]></pubDate></item>
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<title><![CDATA[IEC60529 IPX5 and IPX6 Jet Hose Nozzles Waterproof Testing Equipment]]></title><link><![CDATA[https://pegoelectronics.en.ec21.com/IEC60529_IPX5_and_IPX6_Jet--11940576_11941014.html]]></link><description><![CDATA[flow rate is 12.5L/min, and test time is 1min/m2 and at lest 3 min. The test distance is 2.5m to 3m . 
Jet hose nozzle with internal diameter of 12.5mm is for IPX6 strong jet-proof testing, the water]]></description><pubDate><![CDATA[20240522]]></pubDate></item>
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<title><![CDATA[Hot Sale Hydraulic Oil Filter Support Customized Specifications]]></title><link><![CDATA[https://mango6.en.ec21.com/Hot_Sale_Hydraulic_Oil_Filter--11936366_11936400.html]]></link><description><![CDATA[flow rates.
· Wide range of micron rating∶ from 1μm to 500μm.
· Improved system reliability and lower maintenance costs.
· Customized hydraulic oil filters for specific filtration requests.
·]]></description><pubDate><![CDATA[20240514]]></pubDate></item>
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<title><![CDATA[Water Cooled Chiller Excellent Cooling Chiller 5HP R22/R407C Injection Plastic Chiller]]></title><link><![CDATA[https://xinbangltd.en.ec21.com/Water_Cooled_Chiller_Excellent_Cooling--11910358_11913344.html]]></link><description><![CDATA[air cooled chiller utilizes
a shell and tube evaporator. In this system, the refrigerant evaporates inside
the heat exchange tubes, while water flows on the shell side. To enhance the
heat exchange e]]></description><pubDate><![CDATA[20240319]]></pubDate></item>
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<title><![CDATA[30-35T/H Feed Pellet Line]]></title><link><![CDATA[https://hermmachinery.en.ec21.com/30_35T_H_Feed_Pellet--11248982_11249506.html]]></link><description><![CDATA[flow feed pellet cooler, pellet crumbler machine, box cylinder pulse dust remover, vibrating screen classifier, bucket elevator, automatic bagging system, electric control cabinet, etc. This complete]]></description><pubDate><![CDATA[20240222]]></pubDate></item>
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<title><![CDATA[SHSJz Series Stainless Steel Double Shaft High Efficiency Mixer]]></title><link><![CDATA[https://jiangsuliangyou.en.ec21.com/SHSJz_Series_Stainless_Steel_Double--11477685_11602024.html]]></link><description><![CDATA[air system ensures stable air flow during all-round feeding;
■ Access door with safety lock for easy cleaning and maintenance;
■ Customers can choose compressed air cleaning system to minimize th]]></description><pubDate><![CDATA[20220713]]></pubDate></item>
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<title><![CDATA[Cone Calorimeter, ISO5660, ASTM E1354]]></title><link><![CDATA[https://kobistq.en.ec21.com/Cone_Calorimeter_ISO5660_ASTM_E1354--1_3233195.html]]></link><description><![CDATA[flow enthalpy of enclosed systems. Oxygen depletion calorimetry was identified as the best measurment method. This is based on the empirical observation that heat released by burning materials is dir]]></description><pubDate><![CDATA[20081012]]></pubDate></item>
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<title><![CDATA[The Future of Visual Technology]]></title><link><![CDATA[https://highlystarelec.en.ec21.com/The_Future_of_Visual_Technology--11768092_11838272.html]]></link><description><![CDATA[flow of current to each pixel on the screen. This results in a high-quality image that is sharp, clear, and easy to see, even in bright sunlight. The TFTs are made up of a thin layer of transistors t]]></description><pubDate><![CDATA[20230825]]></pubDate></item>
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<title><![CDATA[AC Type Vacuum Suction Lifter]]></title><link><![CDATA[https://remcortechnology.en.ec21.com/AC_Type_Vacuum_Suction_Lifter--11813351_11813358.html]]></link><description><![CDATA[system, no need to connect electricity, no charge, pneumatic lifting and pneumatic adsorption. For 500KG or above, we apply the electric type which is more safe and durable use
We adopting German Bec]]></description><pubDate><![CDATA[20230630]]></pubDate></item>
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<title><![CDATA[SF6 Recovery and Gas Refilling Device]]></title><link><![CDATA[https://cqhnjtgs.en.ec21.com/SF6_Recovery_and_Gas_Refilling--495772_1301900.html]]></link><description><![CDATA[system 
It is composed of vacuum pump , vacuum gauge(sensitivity&amp;ge;10Pa )anti-adverse-flow device of vacuum pump oil, and air exhaust pipes; 
M. Filter 
The filter is designed to efficiently remove ]]></description><pubDate><![CDATA[20151203]]></pubDate></item>
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<title><![CDATA[VFO Series Industrial Dust Collector System]]></title><link><![CDATA[https://villo.en.ec21.com/VFO_Series_Industrial_Dust_Collector--11671382_11671385.html]]></link><description><![CDATA[VFO Series is a central industrial dust collection system
. It has the characteristics of large air volume, stable structure and convenient cartridge installation and ejection mechanism. It is suitab]]></description><pubDate><![CDATA[20221110]]></pubDate></item>
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<title><![CDATA[Small Cable Granulator and Separator       Mini Copper Wire Granulator Separator]]></title><link><![CDATA[https://optimarecycling.en.ec21.com/Small_Cable_Granulator_and_Separator--11514917_11582635.html]]></link><description><![CDATA[flow
Put the waste wire or cable through the top entrance of the machine, use the shredder to shred the wire and cable to 2mm to 3mm particle size (only when it is this small, the plastic skin and co]]></description><pubDate><![CDATA[20221107]]></pubDate></item>
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<title><![CDATA[Nitrogen Membrane / N2 Membrane /Nitrogen Generator]]></title><link><![CDATA[https://cellfatech.en.ec21.com/Nitrogen_Membrane_N2_Membrane_Nitrogen--3958722_6679433.html]]></link><description><![CDATA[air systems or low pressure industrial compressors and still be compact and light weight.
[ Specifications ]
Model: NC-MF10 [ N2 Purity and Flow] 
Pressure
Nitrogen product flow rate (L/min)
Nitrogen]]></description><pubDate><![CDATA[20120514]]></pubDate></item>
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<title><![CDATA[A/C Calorimeter]]></title><link><![CDATA[https://systemq.en.ec21.com/A_C_Calorimeter--2607191_2607196.html]]></link><description><![CDATA[AIR FLOW : 400CMM
ACCURACY : &amp;#177;1.5%
REPEATIBILITY : &amp;#177;1.0%
Nozzle Type : ASME
Testing Range 
EASY SET UP
Data Acquisition System : Auto Data Couisition System 
Remote Controlling System 
Actu]]></description><pubDate><![CDATA[20121108]]></pubDate></item>
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<title><![CDATA[Ceiling Filter-mat]]></title><link><![CDATA[https://jdjk899.en.ec21.com/Ceiling_Filter_mat--3285914_3285963.html]]></link><description><![CDATA[Being high-grade diffusion media widely used in painting industry, Cocel ceiling filter-mat can ensure homogeneousness of air-flow system in paint booth, and supply clean air required by painting tec]]></description><pubDate><![CDATA[20170614]]></pubDate></item>
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<title><![CDATA[Waste Tires Pyrolysis Incinerating Plant]]></title><link><![CDATA[https://jacarbon.en.ec21.com/Waste_Tires_Pyrolysis_Incinerating_Plant--2379830_2379831.html]]></link><description><![CDATA[system by combustion heat with little amount of air has different
characteristics from conventional systems that have an outside heat source within a closed
system. It can increase heat efficiency du]]></description><pubDate><![CDATA[20121221]]></pubDate></item>
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<title><![CDATA[Facerom 1100C Atmosphere Tube Furnace]]></title><link><![CDATA[https://facerom.en.ec21.com/Facerom_1100C_Atmosphere_Tube_Furnace--11824134_11824205.html]]></link><description><![CDATA[is easy to put material to take material
Additional Options
Furnace measurement system (oxygen content detection system);
Atmospheric system: (multiplex float flow meter, mass flow meter);
]]></description><pubDate><![CDATA[20230724]]></pubDate></item>
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<title><![CDATA[CNC Machining Nylon]]></title><link><![CDATA[https://flourishlegend.en.ec21.com/CNC_Machining_Nylon--11858161_11858176.html]]></link><description><![CDATA[Flow occurs once the temperature is reached.
Nylon engineering plastics are horny, tough, bright surface, white (or light white) or yellowish, transparent or translucent crystalline resin, which can ]]></description><pubDate><![CDATA[20231024]]></pubDate></item>
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<title><![CDATA[PGZ Scraper Discharge Automatic Centrifuge]]></title><link><![CDATA[https://huadacentrifuge.en.ec21.com/PGZ_Scraper_Discharge_Automatic_Centrifuge--3980713_3980725.html]]></link><description><![CDATA[air-powered or hydraulic system. Programs are modifiable with individualized interface. Remote control realized the unmanned operation meeting the modern massive production needs. Self-detection syst]]></description><pubDate><![CDATA[20140923]]></pubDate></item>
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<title><![CDATA[Water Cooled Screw Chiller]]></title><link><![CDATA[https://rozlzg.en.ec21.com/Water_Cooled_Screw_Chiller--4456137_4307359.html]]></link><description><![CDATA[air conditioning system. 
2.Imported programmable logic control panel(PLC)is used for the unit control system. The human machine interface configures a large touch screen. Which enables easy and visu]]></description><pubDate><![CDATA[20161031]]></pubDate></item>
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<title><![CDATA[Activated Carbon Production Equipment Cocoanut Active Charcoal Production and Regeneration Line]]></title><link><![CDATA[https://walton356.en.ec21.com/Activated_Carbon_Production_Equipment_Cocoanut--11859298_11859344.html]]></link><description><![CDATA[system, electrical control, air inlet device and preheating kiln body, etc. It is matched with various testing equipments such as pressure, temperature and humidity. It has functions such as over-tem]]></description><pubDate><![CDATA[20231027]]></pubDate></item>
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<title><![CDATA[Packaging Machine Spare Parts]]></title><link><![CDATA[https://goleadmachine.en.ec21.com/Packaging_Machine_Spare_Parts--11905532_11905538.html]]></link><description><![CDATA[Air Rings used in film blowing, Temperature Controllers for regulating temperature, Extruder Filters for filtering impurities, Thermocouples for temperature measurement, Speed Controllers for adjusti]]></description><pubDate><![CDATA[20240223]]></pubDate></item>
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<title><![CDATA[Lab Use Pure O2 Generator Small Oxygen Production Machine]]></title><link><![CDATA[https://smtlabtech.en.ec21.com/Lab_Use_Pure_O2_Generator--11798428_11798448.html]]></link><description><![CDATA[flow display and other systems. The &quot;heart&quot; 
electrolytic separator of the instrument is cylindrical structure. 
Oxygen and hydrogen can be produced at the same time, with the 
advantages of large el]]></description><pubDate><![CDATA[20230529]]></pubDate></item>
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<title><![CDATA[Multistage Vacuum Generator]]></title><link><![CDATA[https://airbest1.en.ec21.com/Multistage_Vacuum_Generator--11626079_11669525.html]]></link><description><![CDATA[flow, fast evacuation speed and less air consumption.
VACUUM GENERATOR
AGX Series
High efficient and energy-saving vacuum generator, can quickly reach the max. vacuum level
The suitable vacuum genera]]></description><pubDate><![CDATA[20221107]]></pubDate></item>
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<title><![CDATA[Auto Ring Making and Welding Integrated Machine]]></title><link><![CDATA[https://zhnyuling0826.en.ec21.com/Auto_Ring_Making_and_Welding--5734672_6868075.html]]></link><description><![CDATA[Product Details:
Model: R-6-300
Input voltage: 380V(3-phase) or customized
Power freq.: 50/60Hz
Rated power: 18KVA
Cooling: Natural cooling
Air flow: 250L/min
Air pressure: 0.6-0.8MPa
Wire thickness:]]></description><pubDate><![CDATA[20150328]]></pubDate></item>
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<title><![CDATA[Wax Injection Machine / Wax Injecting Machine for Investment Casting]]></title><link><![CDATA[https://cn03461059.en.ec21.com/Wax_Injection_Machine_Wax_Injecting--11653277_11653320.html]]></link><description><![CDATA[System: 
Independent
temperature control partitions(control temperature for wax of
partitions);Accurate wax flow and Injection Pressure.
Convenience : Maximum memory is 50 sets parameters .
Safety : ]]></description><pubDate><![CDATA[20230721]]></pubDate></item>
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<title><![CDATA[Gypsum Board Machine]]></title><link><![CDATA[https://060907.en.ec21.com/Gypsum_Board_Machine--11791484_11863237.html]]></link><description><![CDATA[air compressor conveying pipeline composition, as at this configuration, and to ensure the flow, liquid even transportation.
5: Molding Part:
Vertical mixer: this machine adopts unique stainless stee]]></description><pubDate><![CDATA[20231106]]></pubDate></item>
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<title><![CDATA[Trolley Vacuum Bright Annealing Furnace]]></title><link><![CDATA[https://chenchr.en.ec21.com/Trolley_Vacuum_Bright_Annealing_Furnace--9381136_9737220.html]]></link><description><![CDATA[flow meter, stainless steel baskets, special charging stand, baskets sliding devices, electronic control systems and other components. The furnace shielding gas flow adjustable, with the furnace pres]]></description><pubDate><![CDATA[20151102]]></pubDate></item>
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<title><![CDATA[Brass Distributor]]></title><link><![CDATA[https://yaheng01.en.ec21.com/Brass_Distributor--11904919_11904940.html]]></link><description><![CDATA[system, a brass distributor may distribute water to different areas of the house. When it comes to the automotive industry, a brass distributor typically refers to a device that distributes high-volt]]></description><pubDate><![CDATA[20240222]]></pubDate></item>
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<title><![CDATA[ABB Gauge Pressure Transmitters 266GDT 266GRH 266GRT 266GSH 266GST 266HDH  2600T Series]]></title><link><![CDATA[https://contranspower.en.ec21.com/ABB_Gauge_Pressure_Transmitters_266GDT--9929422_9929881.html]]></link><description><![CDATA[flow, pressure, differential pressure or level of liquids, steam, gas or air. The transmitter may be divided into two main units: the measuring unit, which detects the measuring value and the transmi]]></description><pubDate><![CDATA[20200827]]></pubDate></item>
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<title><![CDATA[Dustproof Testing Machine | Dust Proof Chamber]]></title><link><![CDATA[https://lisungroup1.en.ec21.com/Dustproof_Testing_Machine_Dust_Proof--9657760_11802790.html]]></link><description><![CDATA[system: equipped with vacuum pump, vacuum pressure, air filtration, flow meter, pressure regulating triplet, connecting pipe.
LISUN SC-015 Dustproof Testing Machine | Dust Proof Chamber – After Sal]]></description><pubDate><![CDATA[20230907]]></pubDate></item>
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<title><![CDATA[Cassava Flour Cassava Starch Drying Machine Flash Dryer Cassava Processing Machine]]></title><link><![CDATA[https://syrupmachine.en.ec21.com/Cassava_Flour_Cassava_Starch_Drying--10580732_10593405.html]]></link><description><![CDATA[air and starch fully contacted. Under 
negative pressure in the pipe system, the heat and mass exchange between
the hot air flow and the cassava starch suspended in the hot air pipe. 
After the water]]></description><pubDate><![CDATA[20220412]]></pubDate></item>
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<title><![CDATA[SMC Oil Tank Mould]]></title><link><![CDATA[https://fql254.en.ec21.com/SMC_Oil_Tank_Mould--11597141_11721833.html]]></link><description><![CDATA[system in the tool are available to improve surface paint ability, eliminating the need for primer.
Color compounds can be customized.
The advantage of SMC molding parts is as follows:
1. Good dimens]]></description><pubDate><![CDATA[20230206]]></pubDate></item>
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<title><![CDATA[Dry Ice Cleaning Machine Dry Ice Blaster Dry Ice Blasting Machine]]></title><link><![CDATA[https://wmmachinery.en.ec21.com/Dry_Ice_Cleaning_Machine_Dry--11537767_11538530.html]]></link><description><![CDATA[air flow, and then pushed by the air flow through the ice conveying pipe, and is constrained to a specific air flow line by the handle spray gun and sprayed out.It hits the dirt surface and instantly]]></description><pubDate><![CDATA[20220304]]></pubDate></item>
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<title><![CDATA[Compressed Air Water Remover - WELL AIR]]></title><link><![CDATA[https://wonsan991018.en.ec21.com/Compressed_Air_Water_Remover_WELL--10628485_10628500.html]]></link><description><![CDATA[AIR has arrived with a unique new standard that promises to herald a real Air Revolution and wipe clean the water problems that other compressed air systems still leave behind.
Features
No Filter : H]]></description><pubDate><![CDATA[20210203]]></pubDate></item>
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<title><![CDATA[LED Bulb Automatic Cartoning Machine with Automatic PC Cover Lining and  Hanger]]></title><link><![CDATA[https://rongyumachine.en.ec21.com/LED_Bulb_Automatic_Cartoning_Machine--10519041_10595235.html]]></link><description><![CDATA[flow: 
Automatic side lining--carton forming --Euro-hole folding--inserting bulbs into carton -- -carton sealing 
(can customization the machine for cap fixer feeding system) 
Carton forming： Inser]]></description><pubDate><![CDATA[20180821]]></pubDate></item>
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<title><![CDATA[Fume Extraction System, Dust Extraction Systems Manufacturers]]></title><link><![CDATA[https://9482395368.en.ec21.com/Fume_Extraction_System_Dust_Extraction--11876520_11876526.html]]></link><description><![CDATA[Air Handling Unit Manufacturers, Industrial Fan Manufacturer, Fume Extraction System,
Dust Extraction Systems Manufacturers &amp; Suppliers in Bangalore, Karnataka, India, http://www.mnenvirotech.com/ 
F]]></description><pubDate><![CDATA[20231216]]></pubDate></item>
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<title><![CDATA[HVAC and Plumbing Industry]]></title><link><![CDATA[https://tenralmetalproduct.en.ec21.com/HVAC_and_Plumbing_Industry--11039381_11855279.html]]></link><description><![CDATA[air quality. It includes heating, cooling, and ventilation systems, and recent advancements have led to more energy-efficient and eco-friendly technologies. HVAC professionals design, install, and ma]]></description><pubDate><![CDATA[20231017]]></pubDate></item>
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<title><![CDATA[Buy Air-Cooled Screw Condensing Units]]></title><link><![CDATA[https://kendallcool.en.ec21.com/Buy_Air_Cooled_Screw_Condensing--11754147_11827296.html]]></link><description><![CDATA[https://www.kendallcool.com/air-cooled-screw-condensing-units/
An air-cooled screw condensing unit
is a type of refrigeration system that uses a screw compressor to compress refrigerant and condenser]]></description><pubDate><![CDATA[20230731]]></pubDate></item>
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<title><![CDATA[Multipurpose Fiber Feeder for Road Construction]]></title><link><![CDATA[https://jiewoo01.en.ec21.com/Multipurpose_Fiber_Feeder_for_Road--11169841_11169872.html]]></link><description><![CDATA[system composition: 
1. Composition and function of feeding
machine system: 
1.1 Fan system: the fan adopts 12kw
ultra-high pressure and small air volume fan, which ensures the rapid release
of mater]]></description><pubDate><![CDATA[20200610]]></pubDate></item>

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