Donggang Daji Nonferrous Metal Material Co., Ltd. had developped from melting titanium/titanium alloy, rolling/drawing titanium/titanium alloy bars/wires.We have 3000t extruder and vacuum electrode arc furnace.We do the piercing, rolling/drawing the seamless titanium/titanium alloy tubes on our own.The standards followed:GB/T2965、ASTM B348 、JIS H4650；GB/T3623、ASTM B863、JIS H4670；GB/T3624、ASTM B861、JIS H4630；GB/T3625, ASTM B338、JIS H4631;GB/T3621、ASTM B265、JIS H4600；We also do well in nickel and nickel alloy bars/seamless tubes. Note that the facilities of this company are designed on the basis of working on stainless steel. Now we are expanding our production to rolling/drawing the stainless steel seamless pipes/tubes. The grades ranges in:TP304/TP304L, TP316/316L, TP316Ti, TP317L, TP321, TP321H, TP347, TP347H, TP309/309S, TP310/310S, TP904L and UNS S31803 etc. We will follow the standards:ASTM A312, A213, A269, for Duplex we will. follow A789, A790... We have obtained The Russian Millitary Qualification Authentication and other International Quality management system certs such as cert by IQnet etc