# Changzhou Joyruns Steel Tube CO.,LTD | A254 Thin Copper Pipe,DC04 Thin Copper Pipe,Copper Coated Pipe A254, ST45 Low Temperature Carbon Steel Pipe,DIN2391 Low Temperature Carbon Steel Pipe,ST35 Seamless Alloy Steel Pipes, STKM 11 Precision Seamless Steel Tube,STKM 11A Precision Seamless Steel Tube,STKM 12 Carbon Seamless Steel Pipe, ## summary > Manufacturer, Agent, Exporter, Seller, Brands: Joyruns, Specializes in the export of steel pipes for 20years.We hav been a leading supplier of high-quality steel pipes., Established in 2000, Employees: 150~300, Annual sales: 10000000-20000000, Export ratio: 80% - 90%, Primary markets: North America, South America, Western Europe, Eastern Europe, Eastern Asia, Southeast Asia, Middle East, Africa, Oceania, Worldwide. ## Company Information * [Company Profile](https://www.steelprecisiontube.com/aboutus.html): Overview, history, teams and core capabilities. * [Factory & Manufacturing](https://www.steelprecisiontube.com/factory.html): Production capacity, OEM/ODM capabilities, and R&D strength. * [Quality Control](https://www.steelprecisiontube.com/quality.html): ISO certifications, quality standards, and compliance. * [Contact Us](https://www.steelprecisiontube.com/contactus.html): Global offices, inquiries, and support channels. ## Product Category * [Seamless Precision Steel Tube](https://www.steelprecisiontube.com/supplier-435595-seamless-precision-steel-tube): Keywords: Polished Steel Tube,precision steel pipe,Seamless Galvanized Steel Pipe. * [Heat Exchanger Steel Tube](https://www.steelprecisiontube.com/supplier-435514-heat-exchanger-steel-tube): Keywords: Heat Exchanger Tubes,heat exchanger pipe,Steel Seamless Pipes. * [Steel Bundy Tube](https://www.steelprecisiontube.com/supplier-435522-steel-bundy-tube): Keywords: 3.16*0.5mm Steel Bundy Tube,4*0.5MM Steel Bundy Tube,BHG2 Steel Bundy Tube. * [Seamless Copper Tube](https://www.steelprecisiontube.com/supplier-435554-seamless-copper-tube): Keywords: seamless copper tubing,seamless copper pipe,Copper Nickel Pipe. * [Aluminium Pipe Coil](https://www.steelprecisiontube.com/supplier-435559-aluminium-pipe-coil): Keywords: B210 Aluminium Pipe Coil,7.94*0.8mm Aluminium Pipe Coil,8*0.7mm Aluminium Pipe Coil. * [Titanium Heat Exchanger Tubes](https://www.steelprecisiontube.com/supplier-435597-titanium-heat-exchanger-tubes): Keywords: Heat Exchanger U Tube DIN17861,DIN17861 High Precision Seamless Tube,38.1*1.5MM Seamless Mechanical Tubing. * [Double Wall Steel Tube](https://www.steelprecisiontube.com/supplier-435596-double-wall-steel-tube): Keywords: A254-97 Double Wall Steel Tube,4*0.6mm Double Wall Steel Tube,Bending Copper Bundy Pipe. * [Aluminium Brass Tubes](https://www.steelprecisiontube.com/supplier-435531-aluminium-brass-tubes): Keywords: seamless copper tubing,seamless copper pipe,Aluminium Brass Tubes. * [Stainless Steel Condenser Tube](https://www.steelprecisiontube.com/supplier-435515-stainless-steel-condenser-tube): Keywords: austenitic stainless steel pipe,Stainless Steel Seamless Tube,Duplex Stainless Steel Tube. * [Single Wall Steel Tube](https://www.steelprecisiontube.com/supplier-435532-single-wall-steel-tube): Keywords: DC04 Single Wall Steel Tube,A254 Rolling Boiler Tubes,4*0.5MM Single Wall Steel Tube. * [Seamless Alloy Steel Tube](https://www.steelprecisiontube.com/supplier-435593-seamless-alloy-steel-tube): Keywords: asme stainless steel pipe,seamless boiler tube,Alloy Steel Boiler Tube. * [Seamless Boiler Tubes](https://www.steelprecisiontube.com/supplier-435594-seamless-boiler-tubes): Keywords: seamless stainless steel tube,boiler pipes,Seamless Mild Steel Tube. ## Featured Products * [7.9mm*0.8mm Aluminium Tube Coil ASTM B210 1060 For Evaportator](https://www.steelprecisiontube.com/quality-13683411-7-9mm-0-8mm-aluminium-tube-coil-astm-b210-1060-for-evaportator): Keywords: 7.9mm*0.8mm Aluminium Tube Coil,B210 Aluminium Tube Coil,Aluminum Round Tubing 7.9mm*0.8mm. * [25.4*1.25MM ASTM B111 C44300 , Admiralty Brass Seamless Carbon Steel Pipe](https://www.steelprecisiontube.com/quality-13675108-25-4-1-25mm-astm-b111-c44300-admiralty-brass-seamless-carbon-steel-pipe): Keywords: ASTM B111 C44300,25.4*1.25MM Seamless Carbon Steel Pipe,SAME B111 Seamless Carbon Steel Pipe. * [ASME SA790 Stainless Steel Condenser Tube UNS S31500 Duplex Stainless Steel Pipe](https://www.steelprecisiontube.com/quality-13662982-asme-sa790-stainless-steel-condenser-tube-uns-s31500-duplex-stainless-steel-pipe): Keywords: SA790 Stainless Steel Condenser Tube,760mm Stainless Steel Condenser Tube,UNS S31500. * [Automobiles Carbon Steel Seamless Tube , Cold Drawing Precision Seamless Pipe DIN2391 ST37.4](https://www.steelprecisiontube.com/sale-13683043-automobiles-carbon-steel-seamless-tube-cold-drawing-precision-seamless-pipe-din2391-st37-4.html): Keywords: DIN2391 Carbon Steel Seamless Tube,ST37.4 Carbon Steel Seamless Tube,Cold Drawing Precision Seamless Pipe. * [4.76mm/6mm Bundy Tube ASTM A254 SPCC Zinc Plated Steel Tubing](https://www.steelprecisiontube.com/sale-13643593-4-76mm-6mm-bundy-tube-astm-a254-spcc-zinc-plated-steel-tubing.html): Keywords: 10mm Bundy Tube,A254 Zinc Plated Steel Tubing,SPCC Zinc Plated Steel Tubing. * [21.3*2.77mm Astm Steel Tube SAME A192 Seamless Heat Exchanger Tubes](https://www.steelprecisiontube.com/sale-13608419-21-3-2-77mm-astm-steel-tube-same-a192-seamless-heat-exchanger-tubes.html): Keywords: 21.3*2.77mm Astm Steel Tube,6mm Heat Exchanger Tubes,A192 Heat Exchanger Tubes. * [DIN17175 Seamless Precision Steel Tube 13CrMo44 Seamless Heat Exchanger Tubes](https://www.steelprecisiontube.com/sale-13680415-din17175-seamless-precision-steel-tube-13crmo44-seamless-heat-exchanger-tubes.html): Keywords: DIN17175 Seamless Precision Steel Tube,ST35 Seamless Precision Steel Tube,13CrMo44 Seamless Heat Exchanger Tubes. * [STKM13A JIS3445 Precision Seamless Steel Tube , 75*3.5MM Carbon Seamless Steel Pipe Cold Drawing](https://www.steelprecisiontube.com/sale-13643017-stkm13a-jis3445-precision-seamless-steel-tube-75-3-5mm-carbon-seamless-steel-pipe-cold-drawing.html): Keywords: STKM 11 Precision Seamless Steel Tube,STKM 11A Precision Seamless Steel Tube,STKM 12 Carbon Seamless Steel Pipe. * [ASTM A334 Gr.6 Low Temperature Carbon Steel Pipe , Seamless Alloy Steel Pipes](https://www.steelprecisiontube.com/sale-13669363-astm-a334-gr-6-low-temperature-carbon-steel-pipe-seamless-alloy-steel-pipes.html): Keywords: ST45 Low Temperature Carbon Steel Pipe,DIN2391 Low Temperature Carbon Steel Pipe,ST35 Seamless Alloy Steel Pipes. * [ASTM A254 Thin Copper Pipe , DC04 6*0.65mm Both Side Bundy Copper Coated Pipe](https://www.steelprecisiontube.com/sale-13682998-astm-a254-thin-copper-pipe-dc04-6-0-65mm-both-side-bundy-copper-coated-pipe.html): Keywords: A254 Thin Copper Pipe,DC04 Thin Copper Pipe,Copper Coated Pipe A254. ## Search Search endpoint: https://www.steelprecisiontube.com/buy-{keyword}.html Rules: - Convert keywords to lowercase - Replace spaces with "-" - Remove special characters Users can combine keywords for more precise searches. ## News & Blog * [ASTM A213/SAME SA213 t5 Seamless Alloy Boiler tube manufactory](https://www.steelprecisiontube.com/news/astm-a213-same-sa213-t5-seamless-alloy-boiler-tube-manufactory-154559.html) * [What is Pickling & Passivation of Steel Pipes?](https://www.steelprecisiontube.com/news/what-is-pickling-112547.html) * [Admiralty Brass tubes – C44300](https://www.steelprecisiontube.com/news/admiralty-brass-tubes-c44300-110921.html) * [Higher Precision tube for shock Absorber and Gas shock](https://www.steelprecisiontube.com/news/higher-precision-tube-for-shock-absorber-and-gas-shock-108615.html) * [What are ASTM A179 tubes?](https://www.steelprecisiontube.com/news/what-are-astm-a179-tubes-104263.html)