... 5Process:welding/casting Family:welding part Name:welding waste water tank,welding partwelding part water tank detail as following ... ,oil or air5. size: any size or profilewelding part:Depending on our welding process,Shantin can provide the ... treatment, polishing, machining, plating, heat treatment etc.4.Application: pump & valve, shipbuilding industry, heavy machinery, engineering machinery, water ...