... casting and investment casting process in Shandong, China ( Valve Casting / Casting valve ).3. Standard: OEM service offered.4. Size: ... to the drawing requirements5. Weight: 0.002-120kg6. Valve accessories, like stems, valve caps, bolts of living, shafts; Pumps, pipes, ... non-ferrous metal and alloys, it is key for the metal material quality control, research and development of products. Superior in ...