This is Lily Han with Guangju Hydraulic Cylinder Manufacturing CO.,LTD.from China.   I would like to take your short time to introduce our company as ISO9001 certified manufacturer for cold drawn, cold rolled precision seamless steel tube.   Product: Hydraulic tube, honed tube, skived and roller burnished tube, cold drawn/rolled seamless steel tube, SRB tube, hydraulic cylinder tube, piston rod.   Application: Mining industry,  Hydraulic cylinder, Pneumatic cylinder machinery processing,  natural gas oil transportation exploitation etc.   Process: Cold-drawn, cold-rolled, honed, SRB   Material: 10#,20#,45#,16Mn, 27SiMn,BK+S, ST35, ST42, ST52,DIN2391,ASTM A106 or as per customer’s requested.   Main Customers: Baosteel Shanghai Branch, Tianjin Pipe (Group) Corporation (TPCO), Ansteel Group Corporation, and some of its products even adopted imported materials for processing. products exported to the Middle East, South Asia, South America, Africa and other countries and regions more than 40 countries and regions.   I would like to answer your any inquiries.   Lily (Export department) Mobile: +86 18354968986 Phone: +86 0539 2312620 Fax:      +86 0539 2312620 Email: lilyhanchen@163.com Skype: lily.hanchen Whatsapp: +86 18354968986