Surface treatment is a process that uses the marginal new technologies of modern physics, chemistry, metallurgy, heat treatment and other disciplines to change the condition and properties of the surface of parts to meet the predetermined performance requirements.

To accurately identify 304 stainless steel materials, we must do the composition analysis of metal materials. It involves internal sampling of metal materials, sample melting, chemical analysis of the content of various metal elements in steel, and finally judge whether it is really 304 stainless steel through the national standard.

Seamless steel pipe is a kind of round, square and rectangular steel with hollow section and no joints around. Seamless steel pipes are made of steel ingots or solid billets through perforation, and then hot rolled, cold rolled or cold drawn. Seamless steel pipe has a hollow section, which is widely

General Conditions of Interpretation of Freight Terms (International Commercial Terms) are standard contractual terms used in import/export sales contracts to define responsibilities and obligations for the carriage of goods. In plain English - the supplier will ensure how far the goods will go in t