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<title><![CDATA[EC21 Product Catalogs - Surface]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/Surface--2808/1/Surface.html]]></link><item>
<title><![CDATA[Cast Iron Surface Plate]]></title><link><![CDATA[https://cathyhonghong.en.ec21.com/Cast_Iron_Surface_Plate--9765290_9765291.html]]></link><description><![CDATA[Cast Iron Surface Plate Technical parameters:
Specification(mm)
Roughness permissible error(μm)
Grade 0
Grade 1
Grade 2
Grade 3
Finish plane
100×100
4
8
26
200×200
5
10
20
300×200
6
12
24
300×30]]></description><pubDate><![CDATA[20250218]]></pubDate></item>
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<title><![CDATA[Cast Iron T-slot Plate Surface Platforms]]></title><link><![CDATA[https://grace508.en.ec21.com/Cast_Iron_T_slot_Plate--9765554_10017745.html]]></link><description><![CDATA[The Cast Iron T-slot Plates is industrial measuring tool mainly used to secure work piece. The workers utilize it for debugging, installing, and maintaining the equipment. This kind of product could ]]></description><pubDate><![CDATA[20250110]]></pubDate></item>
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<title><![CDATA[Cast Iron Surface Plate]]></title><link><![CDATA[https://btjianxin.en.ec21.com/Cast_Iron_Surface_Plate--9941809_9941811.html]]></link><description><![CDATA[Cast Iron Surface Plate 
Material: HT200-300 
Standard: GB/T22095-2008 
Specification: 200x200-3000x8000mm or customize 
Surface: flat (accessories are available according to your requirement, like V]]></description><pubDate><![CDATA[20170411]]></pubDate></item>
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<title><![CDATA[China Foundry 3D Printing Precision Investment Casting CNC Machining Surface Treatment in House]]></title><link><![CDATA[https://alan123casting.en.ec21.com/China_Foundry_3D_Printing_Precision--10945076_10979445.html]]></link><description><![CDATA[Casting Since 1998,Own 600 Employees.World Top 500 Companies Supplier.
Turn Over .26Billions RMB For Investment Casting(3D Printer Available) And Sand Casting (Malleable Cast Iron Pipe Mainly) In Chi]]></description><pubDate><![CDATA[20190711]]></pubDate></item>
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<title><![CDATA[Automotive Customized Die Casting Parts Single Cavity Polishing Surface]]></title><link><![CDATA[https://customizeddiecasting.en.ec21.com/Automotive_Customized_Die_Casting_Parts--11892424_11892425.html]]></link><description><![CDATA[PRODUCT DESCRIPTION200mm*150mm*100mm Customized Die Casting with Machining if Need and Surface TreatmentProduct Description:Customized Die CastingCustomized Die Casting is a kind of Cast Part Manufac]]></description><pubDate><![CDATA[20240123]]></pubDate></item>
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<title><![CDATA[20NiCrMoS2-2 / 1.6526 Case-Hardening Steel Forgings  Gear Shafts, Rings]]></title><link><![CDATA[https://jiangsuliangyi.en.ec21.com/20NiCrMoS2_2_1.6526_Case_Hardening--12074962_12075767.html]]></link><description><![CDATA[surface over a tough, ductile core, with excellent machinability (from controlled sulfur), high toughness and good weldability. Jiangsu Liangyi is an ISO 9001:2015-certified Chinese manufacturer prod]]></description><pubDate><![CDATA[20260703]]></pubDate></item>
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<title><![CDATA[Forged Iron Spear for Metal Gate and Fence Components Supplier]]></title><link><![CDATA[https://boyametal01.en.ec21.com/Forged_Iron_Spear_for_Metal--6619945_12034293.html]]></link><description><![CDATA[Material: The iron fence spire is made of iron, and the surface is coated with antirust paint, which is very durable.
Application: used to install accessories on the top of the fence, suitable for wr]]></description><pubDate><![CDATA[20250210]]></pubDate></item>
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<title><![CDATA[Measuring Plates Wowrking Tables for CNC Machine]]></title><link><![CDATA[https://hbjg.en.ec21.com/Measuring_Plates_Wowrking_Tables_for--3868509_10017884.html]]></link><description><![CDATA[Jinggong Cast Iron Inspection Plates (also called Measuring Plates) has a particularly high density and surface accuracy that can be achieved by the use of a special alloy of cast iron. By the T-shap]]></description><pubDate><![CDATA[20250110]]></pubDate></item>
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<title><![CDATA[High Chrome Cr 10% Cast Iron Grinding Steel Ball]]></title><link><![CDATA[https://zwgq888.en.ec21.com/High_Chrome_Cr_10_Cast--12034481_12034907.html]]></link><description><![CDATA[Surface
Core
Surface
Core
Surface
Core
Special 1 Cr 20
60--64
59--63
60--64
58--62
60--64
57--61
Special 2 Cr 15
58--62
57--61
58--62
56--60
58--62
50--59
High Cr：Cr 10
58--62
57--61
58--62
56--60
]]></description><pubDate><![CDATA[20250106]]></pubDate></item>
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<title><![CDATA[Stainless Steel Castings]]></title><link><![CDATA[https://zenyoung.en.ec21.com/Stainless_Steel_Castings--11133399_12027453.html]]></link><description><![CDATA[surfaces, precise tolerances, and minimal machining or finishing after casting. This method is especially effective in lowering production costs by reducing the need for extensive post-casting proces]]></description><pubDate><![CDATA[20241126]]></pubDate></item>
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<title><![CDATA[Custom Universal Joints]]></title><link><![CDATA[https://runchiforging.en.ec21.com/Custom_Universal_Joints--11952600_12019681.html]]></link><description><![CDATA[Custom Universal Joints
Deformation temperature: Hot forging
Surface treatment: quenching and tempering+quenching
Product Specification: It can produce various forgings with diameters ranging from 10]]></description><pubDate><![CDATA[20241022]]></pubDate></item>
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<title><![CDATA[Ductile Iron Casting Valve Plate]]></title><link><![CDATA[https://hebeiyogem.en.ec21.com/Ductile_Iron_Casting_Valve_Plate--11378195_11378200.html]]></link><description><![CDATA[Surface treatment
painting, polishing, heat treatment, plaining or galvanization etc.
Size and design
As per the customer&apos;s drawings and requirements
As per the customer&apos;s samples
Machining
complete ]]></description><pubDate><![CDATA[20240829]]></pubDate></item>
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<title><![CDATA[Rolling Mill Backup Roll]]></title><link><![CDATA[https://hrbtinvo.en.ec21.com/Rolling_Mill_Backup_Roll--8575911_8576316.html]]></link><description><![CDATA[Surface:
Smooth
Styles:
Assembled,Cored,Drilled rolls
Chilled Hardness:
Hs72+/-2
Roll Strength:
Over 250MPa
We can design and supply all kinds of roller 
We can supply high quality mill rolls in vari]]></description><pubDate><![CDATA[20240826]]></pubDate></item>
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<title><![CDATA[Custom Iron Sand Casting for Agricultural Machinery, Construction Machinery, Industrial Equipment, A]]></title><link><![CDATA[https://hunt.en.ec21.com/Custom_Iron_Sand_Casting_for--11984150_11984151.html]]></link><description><![CDATA[Basic Info.TypeClay Dry SandCasting MethodThermal Gravity CastingSand Core TypeClay Sand CoreApplicationAuto PartsMachiningMachining CenterMaterialIronSurface TreatmentSpray-PaintSurface RoughnessRa1]]></description><pubDate><![CDATA[20240812]]></pubDate></item>
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<title><![CDATA[140mm Grinding  Steel Balls for Ball Mill   SAG Mill]]></title><link><![CDATA[https://cnhuamin.en.ec21.com/140mm_Grinding_Steel_Balls_for--11082543_11082549.html]]></link><description><![CDATA[Alloy grinding steel balls for ball mill used in SAG mill for mining industries:
Diameter: 125mm,130mm, 140mm, 150mm
Hardness: HRC58-63(Surface and Volumetric)
Characteristics: High hardness, good we]]></description><pubDate><![CDATA[20240713]]></pubDate></item>
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<title><![CDATA[Stainless Steel Castings]]></title><link><![CDATA[https://baodinghaoxu.en.ec21.com/Stainless_Steel_Castings--11006106_11006107.html]]></link><description><![CDATA[Surface finish:
Ra6.3~Ra12.5(Casting); Ra0.6to Ra3.2(Machining)
Casting size range:
2mm to 15000mm
Manufacturing:
Casting, NC,CNC, Burnishing,Galvanizing, Spraying, Assembling,
Service:
OEM/ODM/Custo]]></description><pubDate><![CDATA[20240710]]></pubDate></item>
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<title><![CDATA[Ceramic Foam]]></title><link><![CDATA[https://aksmetals.en.ec21.com/Ceramic_Foam--3475536_9936949.html]]></link><description><![CDATA[Ceramic foam filter has the advantages of high porosity, low loss of thermal shock, high mechanical strength at normal and high temperature, large specific surface, good chemical stability and excell]]></description><pubDate><![CDATA[20240617]]></pubDate></item>
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<title><![CDATA[Custom Die Casting Mold Factory]]></title><link><![CDATA[https://httoolandie.en.ec21.com/Custom_Die_Casting_Mold_Factory--11942925_11945754.html]]></link><description><![CDATA[SURFACE TREATMETN 
Ticn, Tin, TiAlN, DLC, PVD
CERTIFICATES 
ISO 9001, IATF16949
QC REPORTS 
Samples dimension report, 3-coordinate measurement data, CPK report, PPAP 
PACKING 
Vacuum packing, wooden ]]></description><pubDate><![CDATA[20240601]]></pubDate></item>
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<title><![CDATA[Wrought Iron Rosettes]]></title><link><![CDATA[https://kaidaty.en.ec21.com/Wrought_Iron_Rosettes--9418961_9418994.html]]></link><description><![CDATA[wrought iron rosettes,wrought iron scrolls,metal groupware
1) material :mild steel
2) size:customed
3)surface treatment: spray paint , sandblasting, anti-rust liquid,powder coating.
4)color: as requi]]></description><pubDate><![CDATA[20231031]]></pubDate></item>
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<title><![CDATA[Stainless Steel Investment Casting Manufacture China Direct]]></title><link><![CDATA[https://angie7982.en.ec21.com/Stainless_Steel_Investment_Casting_Manufacture--9396740_9440928.html]]></link><description><![CDATA[Surface Finish: shot blasting,sand blasting,polishing, acid clean-up,machining,etc.
4.Weight: 0.05-80kg.
Test facility
Imported from Germany, Italy and Switzerland for spectrometer, tensile test mach]]></description><pubDate><![CDATA[20150326]]></pubDate></item>
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<title><![CDATA[Drop Forging]]></title><link><![CDATA[https://dropforging.en.ec21.com/Drop_Forging--9680904_9680919.html]]></link><description><![CDATA[most important ones include:
Good surface finish
Enhanced mechanical properties
Machining service
Recyclable flash
Improved metal strength by aligning the grain along the lines of potential stress]]></description><pubDate><![CDATA[20230815]]></pubDate></item>
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<title><![CDATA[Hot Rolling Steel Ball]]></title><link><![CDATA[https://sophia807768.en.ec21.com/Hot_Rolling_Steel_Ball--9980201_9980215.html]]></link><description><![CDATA[surface hardness to 58-65HRC, volume hardness of 57-64HRC 
2) impact toughness high: impact toughness more than 12J / cm2. 
3) broken rate is low: the actual broken rate is not higher than 0.5%. 
4) ]]></description><pubDate><![CDATA[20160628]]></pubDate></item>
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<title><![CDATA[OEM High Quality Closed Die Forging Parts]]></title><link><![CDATA[https://hhforging.en.ec21.com/OEM_High_Quality_Closed_Die--9677011_9677012.html]]></link><description><![CDATA[Surface treating: Shot blasting, Hot Dip Galvanized, Electroplating, Oxidation, powder coating, Passivation. 
6. Long time cooperation with many well known world-class corporations such as Samsung, B]]></description><pubDate><![CDATA[20150914]]></pubDate></item>
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<title><![CDATA[Floor Shot Blaster]]></title><link><![CDATA[https://shotblastpro.en.ec21.com/Floor_Shot_Blaster--11009215_11009241.html]]></link><description><![CDATA[surface of the concrete at one time. It can also roughen the surface of the concrete road to make it uniform and rough, which will greatly enhance the adhesion strength of the waterproof layer and co]]></description><pubDate><![CDATA[20190917]]></pubDate></item>
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<title><![CDATA[PET Waste Station Dispenser   Dog Poop Stations   Dog Waste Stations   Doggie Waste Stations]]></title><link><![CDATA[https://ljmetals.en.ec21.com/PET_Waste_Station_Dispenser_Dog--11292737_11292745.html]]></link><description><![CDATA[have ample capacity to provide the customer with consistent high quality casting work: smooth‍ surfacing, accurate dimensions, and strong mechanical properties.
Our website:www.ljmetals.com
]]></description><pubDate><![CDATA[20221221]]></pubDate></item>
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<title><![CDATA[Good Quality Extrusion Profile Aluminium LED Heat Sink]]></title><link><![CDATA[https://hogreat.en.ec21.com/Good_Quality_Extrusion_Profile_Aluminium--10991937_11018929.html]]></link><description><![CDATA[Surface Finish
Anodization,could customized to paint,powder coating,electroplating,polish,brush,etc.
Extruder
Machine from 600tons to 12000tons.
Package
To be packed by EPE paper and carton first,the]]></description><pubDate><![CDATA[20200714]]></pubDate></item>
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<title><![CDATA[Aluminum Sand Casting Tray]]></title><link><![CDATA[https://diecastingtech.en.ec21.com/Aluminum_Sand_Casting_Tray--10985852_10985873.html]]></link><description><![CDATA[Surface treatment
/
Quality control
1. The appearance is smooth and corrosion resistant.
Importing country
America
More information please view: https://www.diecastingtech.com/ 
More information: 
ht]]></description><pubDate><![CDATA[20240208]]></pubDate></item>
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<title><![CDATA[Gear]]></title><link><![CDATA[https://hnqj888.en.ec21.com/Gear--10972058_11537730.html]]></link><description><![CDATA[surface quality; With more than ten years of casting experience, I can cast various types of steel castings, and give professional guidance and answers to customers&apos; problems. 
2. Qianjin Cast Steel ]]></description><pubDate><![CDATA[20220228]]></pubDate></item>
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<title><![CDATA[Solar Energe Alu Die Casting Components]]></title><link><![CDATA[https://powerling9213.en.ec21.com/Solar_Energe_Alu_Die_Casting--10973279_11047569.html]]></link><description><![CDATA[aluminum
complete solutions including: 
a. Prototyping 
b. Die Casting Production
c. Machining from solid,
extrusion, forging ,etc
d. Fast mound
e. Surface Treatment
We
offer: One-stop Solution . 
In]]></description><pubDate><![CDATA[20191230]]></pubDate></item>
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<title><![CDATA[China Factory Produced High Purity Silica Powder for Jewelry Casting and Precision Casting]]></title><link><![CDATA[https://hsmineral.en.ec21.com/China_Factory_Produced_High_Purity--11000693_11001552.html]]></link><description><![CDATA[surface
of castings.
Application: 
It
is used in precision jewelry casting such as gold, platinum,K gold and so on.
It is the main raw material in jewelry casting process. It is used in precision
sta]]></description><pubDate><![CDATA[20200410]]></pubDate></item>
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<title><![CDATA[Die-casting Aluminum Elbow]]></title><link><![CDATA[https://aluminumcastingiron.en.ec21.com/Die_casting_Aluminum_Elbow--10986653_10986654.html]]></link><description><![CDATA[surface oxidation at ambient temperature. If the surface of aluminum parts is being treated, such as electroplating, the effect will be better.
2. The density of aluminum is small, and the weight per]]></description><pubDate><![CDATA[20231008]]></pubDate></item>
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<title><![CDATA[3000T Aluminum High Quality Die Casting Radiator 4G/5g Base Enclosure Outdoor]]></title><link><![CDATA[https://hailizhunjing.en.ec21.com/3000T_Aluminum_High_Quality_Die--11851846_11851852.html]]></link><description><![CDATA[material development, product design, semi-solid injection pressure, die-casting, extrusion, forging, machining, surface treatment, micro-arc oxidation, surface spraying, raw material.]]></description><pubDate><![CDATA[20231009]]></pubDate></item>
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<title><![CDATA[Die Casting Parts]]></title><link><![CDATA[https://sibai.en.ec21.com/Die_Casting_Parts--11765414_11765430.html]]></link><description><![CDATA[surface treatment. And the CNC machining is Sibai’s main advantage.
Sibai made various die casting mold parts. The die-casting materials we use are generally environmental-friendly zinc alloys and ]]></description><pubDate><![CDATA[20230406]]></pubDate></item>
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<title><![CDATA[Alloy Blast Cap]]></title><link><![CDATA[https://cctsteel.en.ec21.com/Alloy_Blast_Cap--11774357_11774364.html]]></link><description><![CDATA[Produced using precision casting technology, the material is SS310, processed by CNC machine to the finished product, with high surface finish and good high-temperature performance]]></description><pubDate><![CDATA[20230423]]></pubDate></item>
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<title><![CDATA[Water-borne Inorganic Zinc-Rich Anticorrosive Primer]]></title><link><![CDATA[https://paintinchina.en.ec21.com/Water_borne_Inorganic_Zinc_Rich--11863960_11863967.html]]></link><description><![CDATA[surface. It forms good electrical conductivity with the steel and plays a role of electrochemical protection. Even if the coating is partially damaged, the rust will not spread to the surrounding lik]]></description><pubDate><![CDATA[20231108]]></pubDate></item>
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<title><![CDATA[Auto Gearbox Gear Case Housing Die Casting Parts]]></title><link><![CDATA[https://kathy12324.en.ec21.com/Auto_Gearbox_Gear_Case_Housing--11601216_11750012.html]]></link><description><![CDATA[Surface Treatment+Inspection+Packing+Transportation
Service
OEM ODM Customised
Certification
IATF16949
Quality Control
Professional Inspection
Machining Tolerance
0.008mm
MOQ
1000pcs
Lead Time
10-20d]]></description><pubDate><![CDATA[20230316]]></pubDate></item>
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<title><![CDATA[Forging Descaling Machine]]></title><link><![CDATA[https://xiangnan8283.en.ec21.com/Forging_Descaling_Machine--11667211_11667212.html]]></link><description><![CDATA[uses high pressure water jet to clean scales after induction heating machine so the scales will not be pressed into forgings in the following process. This helps to improve forging surface quality.
]]></description><pubDate><![CDATA[20221102]]></pubDate></item>
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<title><![CDATA[High Precision Metal Casting Die Casting Auto Cylinders Oil Pump]]></title><link><![CDATA[https://greatlight001.en.ec21.com/High_Precision_Metal_Casting_Die--11610218_11610269.html]]></link><description><![CDATA[Surface FinishClose dimensional control and good surface finish.
Complicated shapes AchievedMake complicated geometries economically.
Light WeightWith thin walls, so it’s lighter in weight.
Applica]]></description><pubDate><![CDATA[20220823]]></pubDate></item>
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<title><![CDATA[Sand Casting Idler Arms for Agriculture Machinery]]></title><link><![CDATA[https://castech2014.en.ec21.com/Sand_Casting_Idler_Arms_for--11380596_11382886.html]]></link><description><![CDATA[absorber rod, connecting rod,
coupling plate, harrow, cylinder cap clevis, carrier chain, axle sleeve,
shredder hammer,
² 
Surface
finish: paint, epoxy powder coating, cataphoresis, zinc plating
]]></description><pubDate><![CDATA[20210517]]></pubDate></item>
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<title><![CDATA[Custom Forging Small Machine Part Drop Forged Alloy Auto Part]]></title><link><![CDATA[https://hengzheng8.en.ec21.com/Custom_Forging_Small_Machine_Part--11824084_11824085.html]]></link><description><![CDATA[odel nocustomizedColoras your demandBlank Processchina manufacturing steel forgingForging toloranceaccording to drawingMachining ProcessCNC machining/lathing/milliing/turning/boringMachined surface q]]></description><pubDate><![CDATA[20230724]]></pubDate></item>
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<title><![CDATA[GH2 Steel Shot Steel Grit Abrasive Media High Impact Resistance for Blast Cleaning]]></title><link><![CDATA[https://steelshotgrit.en.ec21.com/GH2_Steel_Shot_Steel_Grit--11894889_11894890.html]]></link><description><![CDATA[Product DescriptionHigh Impact Resistance Steel Grit GH2 Abrasive MediaProduct Description:Steel Grit: The Ultimate Solution for Fast and Effective Surface CleaningWelcome to the world of Cast Steel ]]></description><pubDate><![CDATA[20240129]]></pubDate></item>
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<title><![CDATA[Metal Accessories Casting Parts]]></title><link><![CDATA[https://sunbright1.en.ec21.com/Metal_Accessories_Casting_Parts--11600736_11696196.html]]></link><description><![CDATA[surface treatment and so on to lower the cost. 
2.Product Parameter (Specification)
The surface roughness is Ra 0.1-3.2.
CNC turning work range is φ0.5mm-φ150mm*300mm
CNC milling work range is 510m]]></description><pubDate><![CDATA[20221221]]></pubDate></item>
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<title><![CDATA[DND Pipe]]></title><link><![CDATA[https://dndcorea.en.ec21.com/DND_Pipe--1302246_1302255.html]]></link><description><![CDATA[surface with rust-proof spraying inside
Various color according to the working environment and preference
Product specification/models 
Material : Full Hard cold strip rolled steel pipe
Weight : 710g]]></description><pubDate><![CDATA[20170221]]></pubDate></item>
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<title><![CDATA[Double Wall Rolling Brazed Steel Tube D10T10]]></title><link><![CDATA[https://huashan.en.ec21.com/Double_Wall_Rolling_Brazed_Steel--1176160_1177994.html]]></link><description><![CDATA[surface treatment like:galvanized outer wall, chrome acid rainbow passivation;galvanized in outer wall,chrome acidolive green passivation; galvanized in outer wall and chrome acid olived green passiv]]></description><pubDate><![CDATA[20080716]]></pubDate></item>
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<title><![CDATA[Ductile Casting,Sand Casting,Grey Casting]]></title><link><![CDATA[https://lingsd.en.ec21.com/Ductile_Casting_Sand_Casting_Grey--1358947_1358949.html]]></link><description><![CDATA[induction hardening, quench hardening, salt bath quenching, solution treatment, thermal refining
surface treatment: paint, galvanization, hot dip galvanized, powder coated，chromium plated.
]]></description><pubDate><![CDATA[20240412]]></pubDate></item>
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<title><![CDATA[Investment Castparts]]></title><link><![CDATA[https://annyli.en.ec21.com/Investment_Castparts--1973013_9314244.html]]></link><description><![CDATA[surface finish and of complex form as per customers&apos; requests. Dimension tolerance of parts is from Grade CT4-CT6 as well as German standard of VDG P690 or DIN ISO2768. Suface fineness is Ra 3.2~6.3.]]></description><pubDate><![CDATA[20221214]]></pubDate></item>
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<title><![CDATA[Inside-pipe Cleaner]]></title><link><![CDATA[https://hdnozzles.en.ec21.com/Inside_pipe_Cleaner--2250995_3793747.html]]></link><description><![CDATA[Inside-pipe blaster can clean the bore of pipe is 2&quot;-12&quot;, the length of pipe is less than 20 meters. Air Comsuption: 6-10m3/min, Pressure: 4.5-7kg/cm2, the diameter of abrasive: 0.2-1.5mm, the speed ]]></description><pubDate><![CDATA[20171122]]></pubDate></item>
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<title><![CDATA[Casting Parts]]></title><link><![CDATA[https://unimolding.en.ec21.com/Casting_Parts--2480885_2682660.html]]></link><description><![CDATA[* Stainless Steel Parts
* Material: Brass, Stainless steel, Carbon steel, Aluminum Alloy. 
* Software for drawings: Auto CAD, Pro-E, UG, Solid work, CATIA, etc. 
* Surface treatments: Polishing, plat]]></description><pubDate><![CDATA[20080715]]></pubDate></item>
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<title><![CDATA[Grinding Steel Ball]]></title><link><![CDATA[https://hmjudy.en.ec21.com/Grinding_Steel_Ball--2594037_2594038.html]]></link><description><![CDATA[surface finish and small dimensional allowance. The
performance is very good, and surface hardness can be HRC60-67, volumetric
hardness can be HRC60-65, and hardness distribution is even. The impact
]]></description><pubDate><![CDATA[20230802]]></pubDate></item>
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<title><![CDATA[The 20th China (Guangzhou) Intl Die-casting Foundry&amp; Industrial Furnace Exhibition]]></title><link><![CDATA[https://jolinyao.en.ec21.com/The_20th_China_Guangzhou_Intl--10256509_10527188.html]]></link><description><![CDATA[Surface Treatment; Metal and casting equipment;Copper casting;magnesium casting,aluminum casting;Aluminum alloy casting,magnesium alloy casting,copper alloy casting; Sand Preparation and reclamation ]]></description><pubDate><![CDATA[20180830]]></pubDate></item>

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