About Changzhou Tenjan Steel Tube Co.,Ltd

Changzhou Tenjan Steel Tube Co. , Ltd. was founded in 2004. Tenjan is specialized in custom production of seamless steel tubes under international standards ASTM A519, ASTM A106, ASTM A500, ASME SA500, DIN2391, DIN1629, EN10305-1, DIN17121, EN10297-1, JIS3441, JIS3444 and JIS3445. We provide small batch customization service, especially for small and medium-size enterprises. Raw material, internal and external dimensional tolerances and consistency, internal and external surface roughness, straightness, mechanical properties, eccentricity, special shape, alloy steel, small-diameter thick-walled seamless steel tubes all can be customized. The production range for outer diameter is from 10 to 120mm and for wall thickness is from 1 to 20mm. Our steel tubes have been widely used in auto parts, machinery processing, drilling and other fields. And rebar couplers are utilized in the international hydropower projects and bay bridges. We have long-term relationship with customers such as BMW, MCC, CNNP, CRRC, Midea, Sinohydro, China Pingmei, China Academy of Building Research and so on. We have won the national automobile industry quality system certification IATF16949 and ISO9001. We are dedicated to improving the competitiveness of customers’ products in the industry. Our products were exported to Europe, America, Japan, South Korea, The Middle East, Southeast Asia and in total six continents over 20 countries, and which has been consistently trusted by customers.