Min. Order Reference FOB Price
100 Pieces US$0.50-2.00 / Piece
Product Description
Product superiority: 1.Material: special valve bar material, 4Cr9Si2,4Cr10Si2Mo,21-4N,23-8N, X60, X80, Inconel751,21-4NWNb. 2.Production: CNC connection processing line, continuous furnace for heat treatment, friction welding, Stelli welding, U quenching, chrome plating, soft nitriding ...