... head machine, shot-blasting machine, sand-blasting machine, pickling line.2.Machining facility: CNC machine, linear cutting machine, NC milling machine, polishing machine.Heat treatmentAnnealing ... Tempering/Normalizing/Solid solution.Testing facilityspectrometer, tensile test machine, hardness test machine,CMM4. About Products(1)We can produce ... us, and your business will be done easily! gate valve