Our company is specialized in all kinds of steel tubes/pipes (carbon steel/alloy steel/stainless). Our specification : OD 12mm to 114.3mm, wall thickness :1.2mm--10mm and the maximum length would be 18meters.standard including GB, ASTM, JIS, BS, DIN. On the other hand, we also deal in copper/titanium tubes/fin tube.etc. We are exporting above mentioned products directly to India, Korea, Bengal, Chile, Germany, Singapore, Malaysia, U.S.A and Australia, etc.