silica sol casting mechanical parts made in China oem customized silica sol castingmechanical parts made in Chinaoem customized 1.Materialstainless steel, carbon steel, ... , painting, powder coating, anodizing, electroplating, mirror polishing. 8.Service OEM service available. 9.Product all kinds of stainless steel ,steel ... 3)Reasonable price+quick delivery casting and machining~mechanical spare parts