<?xml version="1.0" encoding="utf-8" ?>
<rss version="2.0">
<channel>
<title><![CDATA[EC21 Product Catalogs - constructive products]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/constructive_products--2842/1/constructive products.html]]></link><item>
<title><![CDATA[SSAW Steel Pipe]]></title><link><![CDATA[https://supersteel123.en.ec21.com/SSAW_Steel_Pipe--12045493_12045500.html]]></link><description><![CDATA[Product name: SSAW pipe, Spiral Submerged Arc Welding pipe
OD: 219mm-4064mmWT: 3.2mm-40mm
Length: 5.8 /6 / 11.8 / 12 / 18 / 32 / 48m
standard:API 5L PSL1/ PSL2 Gr.A Gr.B, X42, X46, X52, X60, X65, X70]]></description><pubDate><![CDATA[20250227]]></pubDate></item>
<item>
<title><![CDATA[Black Pre-galvanized Hot Dipped Galvanized Rectangular Square Steel Hollow Section RHS SHS]]></title><link><![CDATA[https://tbarsteel.en.ec21.com/Black_Pre_galvanized_Hot_Dipped--10826657_12042972.html]]></link><description><![CDATA[construction material and prefabricated container houses, etc. Our products meet various International Standards like GB standard, JIS standard, ASTM standard and EN standard ect, which bring RCJS an]]></description><pubDate><![CDATA[20250215]]></pubDate></item>
<item>
<title><![CDATA[China 20mm Galvanized Hollow Section Structural Steel Pipe Factory]]></title><link><![CDATA[https://ropregal.en.ec21.com/China_20mm_Galvanized_Hollow_Section--12036094_12036162.html]]></link><description><![CDATA[production chain,
outstanding performance, stability and reliability. Whether in Construction
field or Petroleum for oil it can handle it with ease and easy to deal with.
The appearance design of ste]]></description><pubDate><![CDATA[20250111]]></pubDate></item>
<item>
<title><![CDATA[Carbon Steel Square Tube]]></title><link><![CDATA[https://18222310105.en.ec21.com/Carbon_Steel_Square_Tube--12034887_12034888.html]]></link><description><![CDATA[construction and engineering projects.
Comprehensive Certification: The product meets international standards, including ISO 9001, ISO 14001, and GB/T28001, guaranteeing quality and sustainability in]]></description><pubDate><![CDATA[20250106]]></pubDate></item>
<item>
<title><![CDATA[High Quality Single Wall Bellows Prestressed Metal Bellows for Bridges]]></title><link><![CDATA[https://qianzhang90.en.ec21.com/High_Quality_Single_Wall_Bellows--11548246_11548271.html]]></link><description><![CDATA[product quality has been stable and reliable and has been well received by users. With &quot;good use of resources and service construction&quot; as the core concept, we will vigorously implement the strategie]]></description><pubDate><![CDATA[20241119]]></pubDate></item>
<item>
<title><![CDATA[Seamless Galvanized Steel Pipes and Fittings]]></title><link><![CDATA[https://yulantechnology14.en.ec21.com/Seamless_Galvanized_Steel_Pipes_and--12008703_12008704.html]]></link><description><![CDATA[construction industry and machinery manufacturing industry. As well they have a wide range of application prospects. People use them in the manufacture of Bridges, construction, building materials, d]]></description><pubDate><![CDATA[20240923]]></pubDate></item>
<item>
<title><![CDATA[High-performance H-beam]]></title><link><![CDATA[https://hongyuansteelpipe.en.ec21.com/High_performance_H_beam--12006202_12006208.html]]></link><description><![CDATA[product. H-beam has excellent compressive resistance, good welding performance and structural stability, and is widely used in construction, manufacturing, electricity, communications, transportation]]></description><pubDate><![CDATA[20240918]]></pubDate></item>
<item>
<title><![CDATA[Seamless Carbon Steel Pipe]]></title><link><![CDATA[https://zhseamlesspipe.en.ec21.com/Seamless_Carbon_Steel_Pipe--11988939_11988946.html]]></link><description><![CDATA[PRODUCT NAME
Seamless Steel Pipe
OUT DIAMETER
1/4’’-24’’
WALL THICKNESS
2MM-100MM
LENGTH
Random Length, Fixed Length, SRL,DRL
SURFACE TREAMENT
Oil Varnish, black anti-rust paint, hot-dip galv]]></description><pubDate><![CDATA[20240821]]></pubDate></item>
<item>
<title><![CDATA[SSAW Spiral Welded Steel Pipe]]></title><link><![CDATA[https://botopsteelpipe.en.ec21.com/SSAW_Spiral_Welded_Steel_Pipe--11051179_11051194.html]]></link><description><![CDATA[SSAW Spiral Welded Steel Pipe
Standard: API Spec 5L
API Spec 5L specifies requirements for the manufacture of two product specification levels (PSL 1 and PSL 2) of seamless pipe and welded steel pipe]]></description><pubDate><![CDATA[20240605]]></pubDate></item>
<item>
<title><![CDATA[ASTM A53 Gr.A &amp;Gr. B Carbon ERW Steel Pipe for High Temperature]]></title><link><![CDATA[https://1438963.en.ec21.com/ASTM_A53_Gr.A_Gr._B--11933303_11941426.html]]></link><description><![CDATA[square cross-section pipes. The ERW pipe manufacturing method has the advantages of high efficiency, low cost and short production cycle, so it is widely used in industry and construction fields.]]></description><pubDate><![CDATA[20240523]]></pubDate></item>
<item>
<title><![CDATA[Hot Rolled Square, Rectangular, Round, SSAW/LSAW/ERW Welded Seamless Steel Pipe]]></title><link><![CDATA[https://hhhh888.en.ec21.com/Hot_Rolled_Square_Rectangular_Round--11924947_11929897.html]]></link><description><![CDATA[Basic Info.UsagePipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction &amp; Decoration, Special PurposeSect]]></description><pubDate><![CDATA[20240426]]></pubDate></item>
<item>
<title><![CDATA[Overrolling Seamless Carbon Steel Pipe Oil Pipeline Construction Hot Rolled Seamless Steelpipe]]></title><link><![CDATA[https://sdhj888.en.ec21.com/Overrolling_Seamless_Carbon_Steel_Pipe--11922780_11926933.html]]></link><description><![CDATA[iv&gt;UsagePipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction &amp; Decoration, Special P]]></description><pubDate><![CDATA[20240419]]></pubDate></item>
<item>
<title><![CDATA[ASTM A106 A53 Carbon Seamless Steel Pipe Hot Rolled Carbon Steel Pipe]]></title><link><![CDATA[https://tthh888.en.ec21.com/ASTM_A106_A53_Carbon_Seamless--11922741_11922742.html]]></link><description><![CDATA[for food/ Storage, transportation and packaging of productsDelivery time3-15 days subject to the clients&apos; requirement and quantityPackageclients&apos; requirement and Standard export sea-worthy packing
]]></description><pubDate><![CDATA[20240409]]></pubDate></item>
<item>
<title><![CDATA[Stainless Steel Sheet]]></title><link><![CDATA[https://gallianz.en.ec21.com/Stainless_Steel_Sheet--11858614_11903237.html]]></link><description><![CDATA[product specifications and sizes meet their needs. Gallianz is a professional and reliable stainless steel sheets supplier.
Applications of Stainless Steel Sheet
The stainless steel sheets used for h]]></description><pubDate><![CDATA[20240401]]></pubDate></item>
<item>
<title><![CDATA[BS1387 Steel Pipe]]></title><link><![CDATA[https://tianchuangpipe.en.ec21.com/BS1387_Steel_Pipe--11666079_11666081.html]]></link><description><![CDATA[construct buildings. To improve the deep integration of the new generation of information technology and BS1387 tube applications, we aim at high-quality products.
Enhanced Strength and Durability
Wi]]></description><pubDate><![CDATA[20221031]]></pubDate></item>
<item>
<title><![CDATA[Premium Material ERW Steel Pipes for Energy Transportation]]></title><link><![CDATA[https://csco12138.en.ec21.com/Premium_Material_ERW_Steel_Pipes--11873243_11873244.html]]></link><description><![CDATA[Product ERW steel pipe Standard ASTM A53/ASTM A500/API 5L/EN10217/BS/ASTM A312/A304 Steel Grade GR.A/GR.B/X42/X46/X52/X56/X60/X65/X70/ST52 O.D 21.34mm-610mm WT 4mm-30mm Single length Random length/Fi]]></description><pubDate><![CDATA[20231205]]></pubDate></item>
<item>
<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[products of Pre-galvanized Pipe (include Round, Square and Rectangular section), Hot dip galvanized pipe(HDG Pipe),ERW Pipe and tube, widely used for fluid/oil/gas transportation, structure building,]]></description><pubDate><![CDATA[20190529]]></pubDate></item>
<item>
<title><![CDATA[Header Pipes for Parallel Flow Evaporators and Condensers]]></title><link><![CDATA[https://sinupower.en.ec21.com/Header_Pipes_for_Parallel_Flow--11842620_11842627.html]]></link><description><![CDATA[Product DescriptionHeader pipes for parallel flow evaporators and condensers significance and function:1. Parallel Flow Evaporators:
In a parallel flow evaporator, the refrigerant flows in the same d]]></description><pubDate><![CDATA[20230908]]></pubDate></item>
<item>
<title><![CDATA[Steel Pipes]]></title><link><![CDATA[https://gviesteel.en.ec21.com/Steel_Pipes--11853301_11853302.html]]></link><description><![CDATA[Steel pipes, also known as steel tubes or steel conduits, are tubular products used for conveying liquids, gases, solid materials, or for structural and mechanical applications. Steel pipes are typic]]></description><pubDate><![CDATA[20231011]]></pubDate></item>
<item>
<title><![CDATA[Thick Wall Seamless Steel Pipe]]></title><link><![CDATA[https://weihengsteel.en.ec21.com/Thick_Wall_Seamless_Steel_Pipe--10972930_10972945.html]]></link><description><![CDATA[production facilities, Superior quality products.
A design solution to a design problem, Competitive prices, In time delivery,Total customer satisfaction
3. How does your factory do regarding quality]]></description><pubDate><![CDATA[20240109]]></pubDate></item>
<item>
<title><![CDATA[Alu-based Anti-Corrosion Tape]]></title><link><![CDATA[https://wenlimin198987.en.ec21.com/Alu_based_Anti_Corrosion_Tape--11808497_11808502.html]]></link><description><![CDATA[such as petroleum, chemical, natural gas, electricity, metallurgy, shipbuilding, cement, etc., 
Product performance parameters and construction operation instructions are available upon request.
]]></description><pubDate><![CDATA[20230619]]></pubDate></item>
<item>
<title><![CDATA[ST52 Seamless Precision Steel Tubes]]></title><link><![CDATA[https://fushunharrislee.en.ec21.com/ST52_Seamless_Precision_Steel_Tubes--11456488_11458400.html]]></link><description><![CDATA[ST52 Seamless Precision Steel Tubes supplier 
Besides exhibiting high precision, these products tend to have a good surface quality and great straightness as well. There are several specifications th]]></description><pubDate><![CDATA[20211013]]></pubDate></item>
<item>
<title><![CDATA[API 5L ASTM 106 Q235 Q345 Carbon Welded LSAW Steel Pipe]]></title><link><![CDATA[https://jetvision.en.ec21.com/API_5L_ASTM_106_Q235--11032076_11103706.html]]></link><description><![CDATA[Construction
Steel Grade:
API 5L: GR B, X42,X46, X56, X60,X65,X70
ASTM A53: GR A, GR B, GR C
EN: S275, S275JR, S355JRH, S355J2H
GB: Q195, Q215, Q235, Q345, L175, L210, L245, L320, L360- L555
Packing:]]></description><pubDate><![CDATA[20200414]]></pubDate></item>
<item>
<title><![CDATA[Big Size LSAW Steel Pipe  Anti-Corrosion LSAW Steel Pipe   Lsaw Steel Pipe]]></title><link><![CDATA[https://creditsteelpipe.en.ec21.com/Big_Size_LSAW_Steel_Pipe--10987617_10987637.html]]></link><description><![CDATA[Products Please View Hifactory
.
More information:
http://www.bestabmachine.us
http://www.bachematz.com
http://www.xehealth.in
http://www.telecomde.com
http://www.barleyconstruct.com
http://www.saier]]></description><pubDate><![CDATA[20240319]]></pubDate></item>
<item>
<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>
<item>
<title><![CDATA[625 Nickel Alloy Nichrome Inconel Seamless Tube]]></title><link><![CDATA[https://greatwallsteel9.en.ec21.com/625_Nickel_Alloy_Nichrome_Inconel--11575970_11790854.html]]></link><description><![CDATA[Type: Alloy steel plate, Alloy steel sheet, Alloy steel coil
Production Process: Hot rolled, Cold rolled, Thermal mechanical control rolled (TMCP),
Standard: ASTM A387,A537
Grade:Gr.2,Gr.11,Gr.12,Gr.]]></description><pubDate><![CDATA[20230516]]></pubDate></item>
<item>
<title><![CDATA[Stainless Steel Pipe ASME 20mm 30mm 60mm SCH10 SCH40 SCH80 Stainless Steel Tube]]></title><link><![CDATA[https://lcxinhongye.en.ec21.com/Stainless_Steel_Pipe_ASME_20mm--11542986_11605510.html]]></link><description><![CDATA[Product Description ItemStainless Steel Seamless PipeStandardASTM A213,A312,ASTM A269,ASTM A778,ASTM A789Material304,304L,309S,310S,316,316Ti,317,317L,321,347,
347H,304N,316L,316N,201,220,2507,904l,2]]></description><pubDate><![CDATA[20220719]]></pubDate></item>
<item>
<title><![CDATA[API SSAW Steel Pipeline Large Diameter for Carbon Steel Spiral Welded Tube Pipe]]></title><link><![CDATA[https://yopipe1.en.ec21.com/API_SSAW_Steel_Pipeline_Large--11858282_11860772.html]]></link><description><![CDATA[Product Namewelded spiral steel pipe O.D219-2020mmWall Thickness 1.2-30mmLength4-12mMaterialQ235A, Q235B, Q345, L245, L290, API5L X42,X52,X60,X70,X80, OCr13,1Cr17,00Cr19Ni11,1Cr18Ni9,0Cr18Ni11Nb,ST37]]></description><pubDate><![CDATA[20231031]]></pubDate></item>
<item>
<title><![CDATA[Galvanized Steel Pipe Mengniu Metal Products]]></title><link><![CDATA[https://sarahyang001.en.ec21.com/Galvanized_Steel_Pipe_Mengniu_Metal--11767788_11816471.html]]></link><description><![CDATA[Product Application 
1. Fence, greenhouse, door pipe, greenhouse
2. Low pressure liquid, water, gas, oil, line pipe
3. For both indoor and outdoor building construction
4. Widely used in scaffolding ]]></description><pubDate><![CDATA[20230707]]></pubDate></item>
<item>
<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[construction.
The 34CrMo4 alloy steel pipe has excellent mechanical properties, including high tensile strength, good toughness, and fatigue resistance. It is commonly used in the production of press]]></description><pubDate><![CDATA[20231211]]></pubDate></item>
<item>
<title><![CDATA[SAE4130 Cold Drawn Seamless Steel Pipe]]></title><link><![CDATA[https://haihuisteel.en.ec21.com/SAE4130_Cold_Drawn_Seamless_Steel--11814565_11816353.html]]></link><description><![CDATA[construction (steel sleeve) industry has a very wide range of applications.
Size: 16mm-89mm.
W.T.: 0.8mm-18 mm.
Shape: Round.
Production type: Cold drawn or cold rolled.
Length: Single random length/]]></description><pubDate><![CDATA[20230706]]></pubDate></item>
<item>
<title><![CDATA[Products]]></title><link><![CDATA[https://txhmachine.en.ec21.com/Products--11854146_11875612.html]]></link><description><![CDATA[production of steel pipes is vital for various industries such as oil and gas, water supply, construction, and transportation. Overall, steel china pipe production lines are essential for meeting the]]></description><pubDate><![CDATA[20231214]]></pubDate></item>
<item>
<title><![CDATA[Steel Pipe Product | Factory Supply Cylindrical Shape Steel Pipe Product for Sale]]></title><link><![CDATA[https://songshunsteel.en.ec21.com/Steel_Pipe_Product_Factory_Supply--11800372_11800391.html]]></link><description><![CDATA[products for automobile manufacturing, construction machinery, home appliance and kitchenware manufacturing, oil exploration, aerospace, mold manufacturing and other industries. The main steel produc]]></description><pubDate><![CDATA[20230601]]></pubDate></item>
<item>
<title><![CDATA[Stainless Steel Pipe]]></title><link><![CDATA[https://libowei111.en.ec21.com/Stainless_Steel_Pipe--2048109_2048110.html]]></link><description><![CDATA[products have more channels.
Widely used in petroleum,chemical,smelting,water,electricity Power,med-
Icine,mechanical equipment,Food ,construction,aviation,heat Exchanger
Industries,the export of cer]]></description><pubDate><![CDATA[20231023]]></pubDate></item>
<item>
<title><![CDATA[Carbon Steel Cap]]></title><link><![CDATA[https://lzhcarpet.en.ec21.com/Carbon_Steel_Cap--2900966_2988630.html]]></link><description><![CDATA[requirements. The materials we adopt are carbon steel, alloy steel, stainless steel. Our products are mainly used for Petroleum, chemical, power, gas, metallurgy, shipbuilding, construction, etc.
]]></description><pubDate><![CDATA[20131015]]></pubDate></item>
<item>
<title><![CDATA[Polyethylene Coating Pipe]]></title><link><![CDATA[https://samkun.en.ec21.com/Polyethylene_Coating_Pipe--6933502_6933506.html]]></link><description><![CDATA[CONSTRUCTION Construction is easy and simple, because pipes are connected by bolt and nut without additional work like welding.
IMPACT RESISTANCE PE Coating has mechanical property, so it is able to ]]></description><pubDate><![CDATA[20130806]]></pubDate></item>
<item>
<title><![CDATA[Galvanised Steel Pipe(ASTM A53/A53M-07,ASTM A500/A500M-07,JIS G3444:2004,JIS G3466:2006,AS1163-2009)]]></title><link><![CDATA[https://hoasensteel.en.ec21.com/Galvanised_Steel_Pipe_ASTM_A53--8573173_8573230.html]]></link><description><![CDATA[Construction:
Civil construction, prefabricated propping frame for temporary floor, fences, scaffolding
Interior decoration, furniture, wardrobes&amp;hellip;
Industrial production:
Cars&amp;rsquo; frame, mec]]></description><pubDate><![CDATA[20131028]]></pubDate></item>
<item>
<title><![CDATA[Carbon Steel Seamless Pipe]]></title><link><![CDATA[https://shanxisxmidas.en.ec21.com/Carbon_Steel_Seamless_Pipe--10780767_10780898.html]]></link><description><![CDATA[production methods, seamless steel pipe can be divided into hot-rolled pipes, cold-rolled pipes, cold-drawn pipes, extrusion pipes. They are mainly used for conveying fluid, such as oil, natural gas,]]></description><pubDate><![CDATA[20201216]]></pubDate></item>
<item>
<title><![CDATA[Chinese Factory Hot Rolled Steel Round Pipe for Scaffolding]]></title><link><![CDATA[https://hgbindustrial.en.ec21.com/Chinese_Factory_Hot_Rolled_Steel--10989497_11037694.html]]></link><description><![CDATA[Chinese factory hot rolled steel round pipe for scaffolding
Hot Rolled Steel Rectangular Tube
Mild Steel U Channel
Product name: Chinese factory hot rolled steel round pipe for scaffolding
Key words:]]></description><pubDate><![CDATA[20240224]]></pubDate></item>
<item>
<title><![CDATA[LSAW Steel Pipes,Black LSAW Steel Pipes,Black LSAW Steel Pipes Q235B,Welded,LSAW Steel Pipes Q235B]]></title><link><![CDATA[https://senhaisteelpipe.en.ec21.com/LSAW_Steel_Pipes_Black_LSAW--10842427_10842449.html]]></link><description><![CDATA[production. With a wide range of finished product specifications, weld toughness, ductility, uniformity and dense, with large diameter, wall thickness, high pressure resistance, low-temperature corro]]></description><pubDate><![CDATA[20191205]]></pubDate></item>
<item>
<title><![CDATA[A672 GR.CC70 CL22 LSAW Pipe]]></title><link><![CDATA[https://robertyin.en.ec21.com/A672_GR.CC70_CL22_LSAW_Pipe--10682856_10682892.html]]></link><description><![CDATA[Product Standard:SO3183,API Spec 5LI,API Spec 2B,GB/T9711 etc.
Application:The pipes are mainly used as long distance transportation pipeline for oil, gas, liquid coal etc. on land and offshore. And ]]></description><pubDate><![CDATA[20191012]]></pubDate></item>
<item>
<title><![CDATA[SS304/316 Cold Drawing Casing Line Pipe Stainless Steel Tube]]></title><link><![CDATA[https://20011002yn.en.ec21.com/SS304_316_Cold_Drawing_Casing--11616155_11616158.html]]></link><description><![CDATA[products like hot rolled steel bars are used in the welding and construction trades to make railroad tracks and I-beams. Hot rolled coil is used in situations where precise shapes and tolerances are ]]></description><pubDate><![CDATA[20220805]]></pubDate></item>
<item>
<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[Product nameGalvanized iron pipeApplicationConstruction decoration,chemical equipmentsEdgeSlit Edge/ Mill EdgeTechnologyCold Rolled,Hot RolledPackingStandard Sea-worthy PackageSurfaceGalvanized Coate]]></description><pubDate><![CDATA[20240103]]></pubDate></item>
<item>
<title><![CDATA[Connectors, Adapters, Breakaway Couplings and Other Accessories]]></title><link><![CDATA[https://btlkconsultants.en.ec21.com/Connectors_Adapters_Breakaway_Couplings_and--11237789_11237814.html]]></link><description><![CDATA[We Supply Foreign equipment and Industrial Products of leading Chinese manufacturers using high-tech equipment that undergo strict quality control and are thoroughly checked at all stages of producti]]></description><pubDate><![CDATA[20210222]]></pubDate></item>
<item>
<title><![CDATA[Dormitory Container]]></title><link><![CDATA[https://zhongtai01.en.ec21.com/Dormitory_Container--11824641_11824646.html]]></link><description><![CDATA[products, and fully meet the products and services for your camp construction needs. We have 10 product patents and have passed ISO9001, ISO14001, ISO45001 certification. Our team members have more t]]></description><pubDate><![CDATA[20230725]]></pubDate></item>
<item>
<title><![CDATA[Astm A213 Gr T5 T12 T91 A192 Seamless Boiler Tubes Manufacturers 10# 20# 45#]]></title><link><![CDATA[https://seamlesssteeltubecom.en.ec21.com/Astm_A213_Gr_T5_T12--11863743_11863744.html]]></link><description><![CDATA[Product Description10# 20# 45# ASTM A213 A192 Carbon Steel Seamless Boiler Tube
Specifications
Steel Grade10#, 20#, 45#, A106(B,C), A213, A192, Q235, Q345, Q195, Q215, Q345C, Q345A, ASTM, A53A/A53B/A]]></description><pubDate><![CDATA[20231107]]></pubDate></item>

</channel>
</rss>