Detail Feature: Product Name: Valves Investment Casting / Ball Valve Materials: carbon steels, alloy steels, stainless steels, WCC, WCB, LCC Items: FOB NingBo or Shanghai Lead time: 30 days Place of Origin: Ningbo, China Software for specification drawings: PDF, Auto CAD, Solid work, JPG, Proe Main production equipments: wax injection, CNC-machine, machine-center, Heat treatment Furnace 1) We can do different kinds of surface treatment after casting, such as machining, polishing, and plating 2) We make them by precision casting, investment casting and steel sand casting process in Ningbo, China 3) They are using for oilfield drill machinery, pipe connection and others
