... welding/casting Family:welding part Name:welding waste water tank,welding partwelding part water tank detail as following:1. material: Iron2. ... make you know more about us.The simple list of our product range:1.Material: bronze, cast iron, ... Manufacturing Processes: sand casting, investment casting, centrifugal casting etc.3.Technology: surface treatment, polishing, machining, plating, heat treatment ...