The used material: WCBStainless steel; carbon steel;grey iron; ductile iron; ect.
The producing process: lost wax casting; sand casting; forging; silicon silicate process; ect.
The offered surface treatment: hot galvanizing, painting; powder coating; plating zinc; dacromet; polishing,mirror polishing; anodizing;e-coating;loxygenation,ect.
Sand casting & investment casting for Quick Couplings: Aluminium Coupling