The polishing effect of any polishing agent varies with the size of the abrasive particle size, as w...

Carbon steel fittings are mechanical parts or connecting components made from carbon steel (with a c...

Prefabricated pipe fittings refer to pipeline components produced through standardized production in...

Special material welded pipe fittings refer to pipeline connection components made of special materi...

National standard, American standard, British standard, and various non-standard high-pressure stamp...