Zhejiang Xintongda Special Steel Manufacturing Co., Ltd. is located in Songyang County, Zhejiang Province, China. 
More than 30 years of history of SeamlessTube&Pipe manufacturing for Austenitic Steel ,(Super) Duplex steel and Nickel Alloy Steel, including 304, 304L, 316L,  310S, 904L, 316Ti, 317L, 347H, 321, 309S, 314, UNS S32205, UNS S32750, UNS S32760, S30815(253MA), UNS S31254, N08800, 800H (N08810), 825 (N08825), 600 (UNS N06600), 625 (UNS N06625), Monel 400 (UNS N04400), Hastelloy C-276, etc.
We've passed the certificates of PED, AD2000, GOST,BV, ISO9001,ISO14001,ISO45001 etc.
Our constant improvement and growth enable us to be one of the best pipeline suppliers in the world