We are Ningbo New Hailong Import & Export Co,.Ltd. we specialized in manufacturing and distributing of seamless steel tubes and pipes.
The specification we are manufacturing is:
Cold drawn seamless steel tube: O.D.5---70mm&W.T.0.5---10mm
Cold rolled precision seamless steel tube: O.D.10---90mm&W.T.0.5---18mm  
The specification we are distributing is: O.D.57---720mm&w.t.3.5---60mm and other non-standard & special application tubes, also according to the international standards as well. A53A106A179A192A199A210A213A249A268A269A270A312A500A519A688A789A790,DIN171752391239317121DIN1629EN10208EN10216,JIS-G3461G3462G3463G3441G3444G3452G3454,BS3059BS6323BS7191BS1717BS6323. Most of the developed cold pilger mills with LG and LD series are firs in China.  Please give us your detail request so as to we can make our offer to you. Looking forward to your reply!