The raw materials for Zhejiang Guanyu Steel Tube is from Baosteel, Tisco, jiuli and Tsingshan, some of the special products are imported raw materials, control the quality of raw materials to finished product quality can be guaranteed. All products undergo strict quality testing; products can be produced by GB, HG, SH, ASTM/ASME, JIS, DIN and other standards; to provide quality products and services for domestic petroleum, chemical industry, papermaking, shipbuilding, medicine, food, nuclear power, military, machinery and other industries; also exported to Asia, Africa, and North America Europe and other countries and regions.

We have always been for the benefit of customers first, with "safe tube" as the concept, supply all kinds of high-quality stainless steel tubes. Customer satisfaction is our success! Warmly welcome to visit our company, in a comprehensive understanding on the basis of sincere cooperation and common development