about us

about us

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Who we are

Zhejiang Xintongda Special Steel Manufacturing Co., Ltd. is located at Songyang County Zhejiang province of China. More than 30years history manufacturer in materials of austenitic stainless steel 304, 304L, 316L,310S, 904L, 316Ti, 317L, 347H, 321, 309S, 314, S30815(253MA), UNS S31254,duplex and super duplex  UNS S31803, UNS S32205, UNS S32750, UNS S32760, Nickel Alloy 800(UNS N08800), 800H(UNS N08810), 825(UNS N08825), Inconel 600(UNS N06600), 625(UNS N06625) , Monel 400 (UNS N04400), Hastelloy C-276, etc. Up to now, passed the PED, AD2000, ISO9001, ISO14001, ISO45001, GOST, BV…certificates.

We have more than 20 cold-drawn and cold-rolled production machines which can achieve about 25,000mt annual output. Our products comply with international and domestic standards ASTM A312, ASTM A213, ASTM A269, ASTM A789, ASTM A790, ASTM B677, ASTM B163, GB/T21833.1-2020, GB/T21833.2-2020, GB/T13296-2013, GB/T14976-2012, etc.. We have some normal sizes ready pipes about 9000 tons in steel grades of UNS S32205, UNS S3275, 310S, 904L, 304L, 316L which can shorten the delivery time.

Size range:

OD:  1/8" to 36" ( 6--914mm) 

WT:  10S to XXS (1mm--45mm)

 “Surviving on quality, developing on benefits, rewarding customers by honesty and trustworthiness” is our motto. We are looking forward to establishing long-term and win-win cooperation relationship.

with our License ,says “注册资本:壹亿元整(Registered capital: 100 million yuan