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<title><![CDATA[EC21 Product Catalogs - certificate]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/certificate--2842/1/certificate.html]]></link><item>
<title><![CDATA[Steel Tube Rectangular Square Pipe AH BH Material Grade Certificate]]></title><link><![CDATA[https://zhurangroup.en.ec21.com/Steel-Tube-Rectangular-Square-Pipe--11974146_11976616.html]]></link><description><![CDATA[]]></description><pubDate><![CDATA[20240729]]></pubDate></item>
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<title><![CDATA[Carbon Steel Coil]]></title><link><![CDATA[https://jnxjysteel.en.ec21.com/Carbon-Steel-Coil--12043642_12043643.html]]></link><description><![CDATA[Term FOB,CIF,CFR,EXW,etc.
Price Term T/T,L/C,Western Union,Paypal,Apple Pay,Google Pay,D/A,D/P,MoneyGram
Lead time Small batch can be in 7 days, depending on the quantity
Certificate ISO9001]]></description><pubDate><![CDATA[20250218]]></pubDate></item>
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<title><![CDATA[China Wholesale 12M Carbon Steel Pipe Manufacturer]]></title><link><![CDATA[https://ropregal.en.ec21.com/China-Wholesale-12M-Carbon-Steel--12036094_12036160.html]]></link><description><![CDATA[Material：20#, A106B,Q355,ST52
Thickness：1.7mm-31.8mm
Length：5.8M,6M,11.8M,12M or As
Customer’s Request.
MOQ：5 Mt
Surface: Oiled / Anti-corrosion Paint
Certification：ISO9001:2008,SGS,BV,
P]]></description><pubDate><![CDATA[20250111]]></pubDate></item>
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<title><![CDATA[Carbon Steel Square Tube]]></title><link><![CDATA[https://18222310105.en.ec21.com/Carbon-Steel-Square-Tube--12034887_12034888.html]]></link><description><![CDATA[Certification: The product meets international standards, including ISO 9001, ISO 14001, and GB/T28001, guaranteeing quality and sustainability in production processes.
Customizable Specifications: A]]></description><pubDate><![CDATA[20250106]]></pubDate></item>
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<title><![CDATA[Seamless Carbon Steel Tube for Low Midium Pressure Boiler Pipe]]></title><link><![CDATA[https://lunbaosteeltubes.en.ec21.com/Seamless-Carbon-Steel-Tube-for--11849819_11869600.html]]></link><description><![CDATA[Seamless Carbon Steel Tube for Low Midium Pressure Boiler Pipe ASTM A179 A192
OD:6mm to 168mm 
WT:0.6mm to 25mm
length:max 12000mm
packing :seaworthy packing with anti-rust oil 
certificate : EN10204]]></description><pubDate><![CDATA[20241120]]></pubDate></item>
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<title><![CDATA[Seamless Steel Pipe (Micropile Tube)]]></title><link><![CDATA[https://topmetal123.en.ec21.com/Seamless-Steel-Pipe-Micropile--11966436_11966447.html]]></link><description><![CDATA[strength ≥ 689 MpaOutside Ø tolerance ± 1%Thickness tolerance ± 12.5%Certificate EN10204 3.1 B
Steel: Q345B, N80 or as requested. Other sizes can be produced and supplied by request. 
]]></description><pubDate><![CDATA[20240710]]></pubDate></item>
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<title><![CDATA[L80-13cr OIL CASING]]></title><link><![CDATA[https://tjlkl.en.ec21.com/L80-13cr-OIL-CASING--11948093_11948094.html]]></link><description><![CDATA[certification, American Petroleum Institute API 5CT certification and a number of national patent certificates. The production workshop has a number of equipment such as high-precision CNC lathes, th]]></description><pubDate><![CDATA[20240626]]></pubDate></item>
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<title><![CDATA[ASTM A106 A36 Carbon Steel Coil with High Performance]]></title><link><![CDATA[https://hhhh888.en.ec21.com/ASTM-A106-A36-Carbon-Steel--11924945_11925031.html]]></link><description><![CDATA[Certificate
ISO, CE
Payment terms
30% T/T deposit in advance, 70% T/T balance within 5 days after B/L copy, 100% Irrevocable L/C at sight, 100% Irrevocable L/C after receive B/L 30-120 days, O/A
Deli]]></description><pubDate><![CDATA[20240415]]></pubDate></item>
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<title><![CDATA[Green House Galvanized Steel Pipe    Galvanized Steel Pipe    Hot Dip Galvanized Steel Pipe]]></title><link><![CDATA[https://creditsteelpipe.en.ec21.com/Green-House-Galvanized-Steel-Pipe--10987619_10987649.html]]></link><description><![CDATA[Certificate of Origin 
5. Powerful technology team,Strict quality assurance system and perfect testing means
6. Delivery on time
7. Our roller coaster sales to Middle East,Africa,Russia,Southeast Asi]]></description><pubDate><![CDATA[20240319]]></pubDate></item>
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<title><![CDATA[Factory Directly Supply Hot Rolled Welded Galvanized Drip Irrigation Pipe with Low Price]]></title><link><![CDATA[https://alan3218.en.ec21.com/Factory-Directly-Supply-Hot-Rolled--10961535_10962134.html]]></link><description><![CDATA[certification.
Steel pipe is produced in one of two methods, which result in either seamless or welded products.
Seamless pipe is made from solid round stock that is first heated, then extruded—pus]]></description><pubDate><![CDATA[20190529]]></pubDate></item>
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<title><![CDATA[Carbon Steel Pipe Cap]]></title><link><![CDATA[https://weihengsteel.en.ec21.com/Carbon-Steel-Pipe-Cap--10972930_11023345.html]]></link><description><![CDATA[Certification
API, ISO9001
Test
Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector
More information you can views here
We ]]></description><pubDate><![CDATA[20240109]]></pubDate></item>
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<title><![CDATA[ST35 Seamless Precision Steel Tubes]]></title><link><![CDATA[https://fushunharrislee.en.ec21.com/ST35-Seamless-Precision-Steel-Tubes--11456488_11458394.html]]></link><description><![CDATA[Certificates (MTC)
Material Test Certificates (MTC) as per EN 10204/3.1B, EN 10204 3.1 and EN 10204 3.2, 100% Radiography Test Report,
Raw Materials Certificate, Third Party Inspection Report, Fumiga]]></description><pubDate><![CDATA[20211013]]></pubDate></item>
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<title><![CDATA[High Quality API 5L Hot Rolled Carbon Seamless Steel Pipe Tube]]></title><link><![CDATA[https://jetvision.en.ec21.com/High-Quality-API-5L-Hot--11032076_11033354.html]]></link><description><![CDATA[Certification: API 5CL, GOST, ISO9001, ISO14001,OHSMS18000 
Testing: Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield strength, Elongation), Technical Properties (]]></description><pubDate><![CDATA[20191125]]></pubDate></item>
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<title><![CDATA[Seamless Galvanized Welded Steel Pipe ASTM A106 Standard 8mm Diameter]]></title><link><![CDATA[https://steelcoils.en.ec21.com/Seamless-Galvanized-Welded-Steel-Pipe--11883001_11883002.html]]></link><description><![CDATA[CertificateISO9001Processing ServicePunching, CuttingProduct nameGalvanized iron pipeApplicationConstruction decoration,chemical equipmentsEdgeSlit Edge/ Mill EdgeTechnologyCold Rolled,Hot RolledPack]]></description><pubDate><![CDATA[20240103]]></pubDate></item>
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<title><![CDATA[Steel Pipe]]></title><link><![CDATA[https://sigridsun.en.ec21.com/Steel-Pipe--11834079_11869747.html]]></link><description><![CDATA[certification. Our annual exporting amount can be up to 100,000 tons to South America, Middle East, Southern Asia, Europe, Canada etc.You can send me a reply for specification, availability or for an]]></description><pubDate><![CDATA[20231124]]></pubDate></item>
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<title><![CDATA[Dormitory Container]]></title><link><![CDATA[https://zhongtai01.en.ec21.com/Dormitory-Container--11824641_11824646.html]]></link><description><![CDATA[certification. Our team members have more than 10 years of experience in the field of mobile home management, production and 
container van dormitory design. We have our own mobile home research cent]]></description><pubDate><![CDATA[20230725]]></pubDate></item>
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<title><![CDATA[ASTM A106 API 5L Seamless Steel Pipe Astm A53 Steel Pipe 13.7 - 610Mm]]></title><link><![CDATA[https://pipesteels.en.ec21.com/ASTM-A106-API-5L-Seamless--11871374_11871375.html]]></link><description><![CDATA[Certificate:
API, ce, Bsi, ISO9001
Grade:
Q195, Q235, Q345, #20
Surface Treatment:
Hot Rolled
Tolerance:
±10%
Processing Service:
Welding, Punching, Cutting, Bending, Decoiling
Oiled or Non-oiled:
N]]></description><pubDate><![CDATA[20231129]]></pubDate></item>
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<title><![CDATA[API 5CT 9-5/8 43.5ppf Seamless Steel Casing Pipe From China]]></title><link><![CDATA[https://zhuyan230401.en.ec21.com/API-5CT-9-5-8--11826223_11827945.html]]></link><description><![CDATA[certification and API certification of American Petroleum Association
FAQ
1 How can we guarantee quality? There will be strict inspection and testing for every order before shipping out. 2 Handling t]]></description><pubDate><![CDATA[20230801]]></pubDate></item>
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<title><![CDATA[High Frequency Welded Finned Pipe of Punching Type]]></title><link><![CDATA[https://jysuling1.en.ec21.com/High-Frequency-Welded-Finned-Pipe--11600429_11812599.html]]></link><description><![CDATA[certificates, inspection and test samples results and warranty certificate of manufacturer.
7.Applications:The High Frequency Resistance Welded Helical Fin Tubes are widely applied in fired heaters, ]]></description><pubDate><![CDATA[20230628]]></pubDate></item>
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<title><![CDATA[Alloy Steel Pipe 34CrMo4 Seamless Steel Pipe]]></title><link><![CDATA[https://reynzhang364.en.ec21.com/Alloy-Steel-Pipe-34CrMo4-Seamless--11812684_11874481.html]]></link><description><![CDATA[Certificate 
API, ce, BIS, JIS, GS, ISO9001
Grade 
Carbon steel
Surface Treatment 
Hot Rolled/Cold rolled
Tolerance 
±1%
Processing Service 
Welding, Punching, Cutting, Bending, Decoiling
Oiled or N]]></description><pubDate><![CDATA[20231211]]></pubDate></item>
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<title><![CDATA[Steel Corrugated Pipe Multi Plate Assembled Culvert Pipe Drainage]]></title><link><![CDATA[https://hxpipe.en.ec21.com/Steel-Corrugated-Pipe-Multi-Plate--11779659_11779660.html]]></link><description><![CDATA[certification”, “ISO14001:2015 environmental management system certification”, “occupational health and safety management system certificate” and “transportation engineering products fact]]></description><pubDate><![CDATA[20230505]]></pubDate></item>
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<title><![CDATA[Classic Carbon LSAW Steel Pipe for Marine Engineer Construction]]></title><link><![CDATA[https://csco12138.en.ec21.com/Classic-Carbon-LSAW-Steel-Pipe--11873243_11873418.html]]></link><description><![CDATA[certification ,custom appreciate lettersThe mill certification: such as API Monogram ,ISO ect..ITP ,MPS &amp; ISO manualDelivery term: FCA/DDP/DDA etc can acceptLogistical and shipping chains ,we have si]]></description><pubDate><![CDATA[20231206]]></pubDate></item>
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<title><![CDATA[ASTM A333 Grade 6 Low Temperature Mild Carbon Seamless Steel Pipe]]></title><link><![CDATA[https://tefu888.en.ec21.com/ASTM-A333-Grade-6-Low--11750485_11752202.html]]></link><description><![CDATA[Certificates
API5L ISO 9001:2008 TUV SGS BV etc
Outside Diameter
1/2&apos;--48&apos;
21.3mm-61219mm
Thickness
SCH5S, SCH10S, SCH20S,SCH20, SCH30,STD, SCH40,
SCH60, SCH80, SCH100, SCH140, SCH160,XS,
1.65mm-80mm]]></description><pubDate><![CDATA[20230320]]></pubDate></item>
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<title><![CDATA[254MO Stainless Steel Welded Pipe]]></title><link><![CDATA[https://yesi882000.en.ec21.com/254MO-Stainless-Steel-Welded-Pipe--862894_4330593.html]]></link><description><![CDATA[Certification, Pressure Force Pipeline Component Level A2 Certification, European’s PED, USA’s API, BV, ABS, DNV, Lloyd’s, ASME
Certificates and Chinese &quot;special equipment manufacturing license]]></description><pubDate><![CDATA[20200513]]></pubDate></item>
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<title><![CDATA[Hot Selling ASTM A179 19.05mm X 2.11mm Seamless Carbon Steel Pipe/Tube for Boiler and Heat Exchanger]]></title><link><![CDATA[https://huaxipipe.en.ec21.com/Hot-Selling-ASTM-A179-19.05mm--11560540_11560547.html]]></link><description><![CDATA[,heat exchanger ,and superheater Etc.Packing: External Black Painting ,Both Side With End Caps, In Bundles by Steel Strips,Covered by Waterproof.Quality Certificate:ISO, API, Mill Test Certificate 
]]></description><pubDate><![CDATA[20220503]]></pubDate></item>
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<title><![CDATA[API5CT Tubing Couplings L80 EUE, D-10 Couplings L80]]></title><link><![CDATA[https://haigemachinery.en.ec21.com/API5CT-Tubing-Couplings-L80-EUE--11355920_11361149.html]]></link><description><![CDATA[BTC, LTC, STC, Premium Connections, EUE, NUE
6. Type: Regular, Special Clearance
7. Length: as per API5CT Specification
8. Quality Test Certificate, Mill Test Certificate will be provided 
]]></description><pubDate><![CDATA[20210401]]></pubDate></item>
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<title><![CDATA[Corrugated Steel Pipe for Culverts]]></title><link><![CDATA[https://jean2023.en.ec21.com/Corrugated-Steel-Pipe-for-Culverts--11767282_11767283.html]]></link><description><![CDATA[experience 
- 8000m per month production
- Own more than 50 Construction Teams-
Design, Production,Sale and Installation in an integrated enterprise
- All Certificates: CE,ISO9001,CCPC etc..
]]></description><pubDate><![CDATA[20230410]]></pubDate></item>
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<title><![CDATA[Penstock Steel Pipe Q345Bsprial Steel Pipe,Ssaw Steel Pipe]]></title><link><![CDATA[https://wbx1984915.en.ec21.com/Penstock-Steel-Pipe-Q345Bsprial-Steel--2461493_8261227.html]]></link><description><![CDATA[Material :Q235/Q345/20#/L245/X42-X65 etc 
Specification:1020mm*17mm 
Length: 6M/12M or as customers requirement 
Treatment: According to the requirements 
Certificates: SY/T5037-2000/GB/T9711.1-97/AP]]></description><pubDate><![CDATA[20240123]]></pubDate></item>
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<title><![CDATA[Incoloy 825 Inconel 600 718 Monel Fitting Flange Pipe Tube]]></title><link><![CDATA[https://lindasun00.en.ec21.com/Incoloy-825-Inconel-600-718--2845141_2845227.html]]></link><description><![CDATA[certification according to EN10204/3.2
Butt Weld Fittings
Standard
ASTM / ASME A/SA 403 GR WP &quot;S&quot; / &quot;W&quot; / &quot; WX&quot; 
ASTM A860/ A 860M WPHY42, WPHY52, WPHY60, WPHY65, WPHY70
ASTM/ ASME S/A234/ A 234M WPB]]></description><pubDate><![CDATA[20231106]]></pubDate></item>
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<title><![CDATA[Honed Cylinder Tube of Material SAE 4140 for High Strength Requirements]]></title><link><![CDATA[https://honedtubing.en.ec21.com/Honed-Cylinder-Tube-of-Material--11537181_11658468.html]]></link><description><![CDATA[Certificate: ISO9001:2015 
As a professional hydraulic cylinder barrel manufacturer and supplier, Skyline has been supplying and exporting hydraulic cylinder barrel for more than 20 years. 
Product D]]></description><pubDate><![CDATA[20221019]]></pubDate></item>
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<title><![CDATA[Steel Pipe]]></title><link><![CDATA[https://eaststeel.en.ec21.com/Steel-Pipe--3832766_3832767.html]]></link><description><![CDATA[certified by China Metallurgical Industry Quality System Certification Centre and AOQC Moody International Limited of U.K. in according to ISO9000 requirements and the product is certified by America]]></description><pubDate><![CDATA[20100923]]></pubDate></item>
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<title><![CDATA[Oilfield Tubular Casing Tubing Coupling API 5CT for OCTG Drill Pipe]]></title><link><![CDATA[https://helen202368.en.ec21.com/Oilfield-Tubular-Casing-Tubing-Coupling--11824687_11825668.html]]></link><description><![CDATA[certification and API certification of American
Petro Institute.products have been export to South America,North American,Russia,the Missle East,Southest Asia,West Asia,Africa etc.And we have establi]]></description><pubDate><![CDATA[20230727]]></pubDate></item>
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<title><![CDATA[Seamless Steel Pipe for Auto Mechanical Structure]]></title><link><![CDATA[https://fypipe.en.ec21.com/Seamless-Steel-Pipe-for-Auto--5059231_5918057.html]]></link><description><![CDATA[Certificate Standard: ISO 9001: 2000
11. Payment Terms: T/T in advance or irrevocable L/C at sight
12. Minimum Order: 15 Tons
13. Delivery conditions: FOB Tianjin, or according to customers&apos; requirem]]></description><pubDate><![CDATA[20111018]]></pubDate></item>
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<title><![CDATA[Api 5ct Casing Pipe]]></title><link><![CDATA[https://reandy2000.en.ec21.com/Api-5ct-Casing-Pipe--6742807_6742808.html]]></link><description><![CDATA[to 50mm Certificates:ISO,API,SGS,CCC,CE,etc If you are interested ,please give me an answer ,then I will send our price sheet to you.
We are looking forward to your prompt reply. Yours faithfully, 
]]></description><pubDate><![CDATA[20120529]]></pubDate></item>
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<title><![CDATA[Big Diameter Seamless Carbon Steel Pipe 24]]></title><link><![CDATA[https://pipefitting0086.en.ec21.com/Big-Diameter-Seamless-Carbon-Steel--6462234_6525494.html]]></link><description><![CDATA[seamless carbon steel pipes 
1)O.D. 24&quot;, W.T. sch5s to xxs 
2)masterial a106 a53 and so on 
3)certificated by ISO
Tolerance
OD +1% /-1%, .thickness +12.5% / -10%. Length 2mm
standard
GB8162&amp;mdash;199]]></description><pubDate><![CDATA[20160624]]></pubDate></item>
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<title><![CDATA[Polyethylene Coating Pipe]]></title><link><![CDATA[https://samkun.en.ec21.com/Polyethylene-Coating-Pipe--6933502_6933506.html]]></link><description><![CDATA[of abrasion, so replacement period is three times longer than other pipes.
Certificate of designation of excellent product (PE Coating Pipe) 
Certificate of K mark 
Certificate of Kun mark
]]></description><pubDate><![CDATA[20130806]]></pubDate></item>
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<title><![CDATA[304 316 Stainless Steel Seamless Pipes]]></title><link><![CDATA[https://cn04036056.en.ec21.com/304-316-Stainless-Steel-Seamless--9942839_9973724.html]]></link><description><![CDATA[certificate,PED certificates from Lloyd&amp;#39;s Register Quality Assurance as well.We can produce stainless steel pipes,such as 304/304L,316/316L,321,321H,317/317L,347/347H,310S,2205/S31803 duplex stee]]></description><pubDate><![CDATA[20160513]]></pubDate></item>
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<title><![CDATA[Seamless Steel Pipe]]></title><link><![CDATA[https://130902198201260915.en.ec21.com/Seamless-Steel-Pipe--8027751_8027752.html]]></link><description><![CDATA[Certification successfully.
At present, Galaxy steel Pipe has set up branches in Guangzhou, Beijing, Wuhan, Anhui etc. in China. We have export license in international trade and have set up sales ag]]></description><pubDate><![CDATA[20140701]]></pubDate></item>
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<title><![CDATA[BS 1387 Hot Dip Galvanized/Galvanised Welded Steel Pipe/Tube]]></title><link><![CDATA[https://cnsolid.en.ec21.com/BS-1387-Hot-Dip-Galvanized--10642629_10642641.html]]></link><description><![CDATA[Certificate
ISO/SGS/BV/Lloyd/ABS/CCS/RINA/GL/DNV
Description:
For the steel to withstand the pressure to the hydraulic test to test its ability and quality, leakage, soaked or expansion for qualified]]></description><pubDate><![CDATA[20180528]]></pubDate></item>
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<title><![CDATA[ERW Square Hollow Sections]]></title><link><![CDATA[https://tiffanyjianhesteel.en.ec21.com/ERW-Square-Hollow-Sections--10292317_10292324.html]]></link><description><![CDATA[S235J2H, S355JRH, S355J0H, S355J2H, S355NH 
ASTM A500: Grade A&amp;B&amp;C 
JISG3466: STK400, STK490 
JISG3444: STK400, STK490, STK500 
Certificate we have: 
CE certificate 
ISO9001 
ISO18001 
EN1090 
]]></description><pubDate><![CDATA[20170206]]></pubDate></item>
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<title><![CDATA[SSAW Steel Pipes,EN10219 SSAW Steel Pipes,EN10219 SSAW Steel Pipes Supplier,ASTM A53 SSAW Steel Pipe]]></title><link><![CDATA[https://senhaisteelpipe.en.ec21.com/SSAW-Steel-Pipes-EN10219-SSAW--10842427_10842459.html]]></link><description><![CDATA[Certificates to be furnished for all pipes as EN10204-3.1BSSAW (Spiral Submerged-Arc Welded) Steel Pipes, also called HSAW pipe, with welding seam in spiral(helix) type, can be manufactured in large ]]></description><pubDate><![CDATA[20230901]]></pubDate></item>
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<title><![CDATA[API 5CT Seamless Steel Pipe, Steel Grade J55,N80,P110,PH-6 Petroleum Casing and Tubing in Oil]]></title><link><![CDATA[https://robertyin.en.ec21.com/API-5CT-Seamless-Steel-Pipe--10682856_10683141.html]]></link><description><![CDATA[Certificates
API5CT, ISO 9001:2008
Surface Treatment
black paint, varnish, oil, galvanized, anti corrosion coatings
Marking
Standard marking, or according to your request.
Pipe Ends
Under 2 inch plai]]></description><pubDate><![CDATA[20191012]]></pubDate></item>
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<title><![CDATA[Cladded Tubeexchanger SA516GR70+C71500]]></title><link><![CDATA[https://janus2019.en.ec21.com/Cladded-Tubeexchanger-SA516GR70-C71500--11013043_11043953.html]]></link><description><![CDATA[certificate.
Our advantage is that we own our
explosive plant in the mountain which is strictly controlled by local
government, we provide explosive OEM service for many domestic clad plate
manufactu]]></description><pubDate><![CDATA[20230814]]></pubDate></item>

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