Material for the 10 #, 20 #, 45 #, 16 Mn, 27SiMn, 12CrMoV, with the original or a copy of the material.

Implementation of the standards: GB3087-99 high pressure boiler tubes, GB5310-95 high-pressure pipe, fertilizer for the GB6479-86, GB8162-99, GB8163-99.

Professional management company Baosteel, Tianjin, Chengdu, the rule of Steel, Bao Steel, and other well-known domestic manufacturers of seamless steel tubes, steel pipes, boiler tubes, fluid management, structure, etc.; Petroleum, chemical, textile, hydraulic, medical, Electric, military machinery, hydraulic prop, boiler instruments, decorative and building industries by the size and calibre of special materials, special specifications, special purpose, thin and thick-walled seamless tube variety of domestic and imports of alloy and other metals, such as seamless tube Material.