0519-88771678(cold drawing)    0519-88772588(Welded pipe)                 info@czchengxin.com




Changzhou Metal Products Co.,Ltd is an ISO9001-2008 manufacturer of hydraulic cold drawn mechanical tubings, precision tubes,cylinder tubes upto 325mm/12" in OD with both DOM type and CDS type, as well as machining service provider including machining,CNC lathe machining,deep hole boring,drilling, skiving&roller burnishing,etc. Located in Changzhou City,Jiangsu Province of East China,M/S Changzhou Chengxin is able to manufacture products based on high quality raw material with stable supply from leading manufacturers like Baosteel,TPCO,etc.
Built in 1996, M/S Changzhou Chengxin has systematic production equipment and inspection device to ensure the quality control of every stage of production,covering raw material inspection,pickling&phosphating&lubrication,hydraulic cold drawing,heat treating,cutting,size inspection,roughness inspection,etc. With accumulation of nearly 20 years' of manufacturing experience,we are not only able to manufacture standard carbon steel and alloy steel tubes but also able to manufacture customized tube products and bar products as per drawings.
In the past 5 years, we have successfully developed new products including cold drawn seamless square tubes, cold drawn seamless rectangular tubes,bimetal composit tubes(stainless steel+carbon steel),as well as machined tubes products like hydraulic cylinder barrel, tubes for concrete delivery cylinders,and customized tube parts for various industry that includes but not limited to hydraulic cylinder,drilling,oil&gas,construction machinery,etc.