Yanshan Yutong Steel Pipe Co., Ltd.

Our company with total assets of 10 million usd, covers an area of 80,000 square meters of production base, with annual production capacity of 100,000 tons of steel. The company has international domestic most advanced production line, the existing staff of 220. Equipped with the main management personnel, production and technical personnel more than 33.supply seamless steel tube and welded tube; A, carbon steel seamless steel tube (1) general purpose seamless steel tube ASTM A53 GR. B, steel grade: A53 B, specifications: 1/4 "- 28," 711.2 - was 13.7 heat work. With seamless steel tube ASTM A106 GR. B, steel grade: SA106B, specifications: 1/4 "- 28," mm3. 711.2 13.7 - A333 ASTM, steel grade GR: A GR. 1, 6, and A GR. GR, the specification: GR 1/4 "- 28," mm7. 711.2 13.7 - DIN2448 German kills/seamless steel tube and steel grade: St37, St44, St52, specifications: 1/4 "- 28," mm8. 711.2 13.7 - transmission fluid with seamless steel tube GB/T8163-1999, steel... [Details]