... 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, ... drawings, and can supply carbon steel, stainless steel and alloy steel precision casting part. and supply heat treatment, machining ...