ISO9001:2015, PED 2014/68/EU certified. Zhejiang Guanyu Steel Tube Co., Ltd is specialized manufacturer of High Quality Stainless Steel Tubes & Pipe, Nickel Alloy Tubing & Pipe in China. Production area covers an area of 35,000 square meters. Annual output capcity more than 10,000 metric tons.
We have built a complete quality management system and organization according to ISO 9001:2015 and PED 2014/68/EU. Quality control begin with an audit trail and continues from the point of steel melting. for the raw materials, we select the best quality raw material for our customers. right through to the finished product. This level of attention to detail extends throughout the design and manufacturing chain, all kinds inspection will be all though the producing process ensure the Stainless Steel Tubes/Tubing/Pipe and Nickel Alloy Tubes/Tubing/Pipe finished in qualified. With destructive and non-destructive tests according to standard specification and customer’s special requirement, and including verification of performance by independent third-party test houses.
