hydraulic stainless steel precision engineering parts 1.We offer OEM design 2.This kind ... making stamping, casting, forging, machining parts with differentmaterials, such as brass, aluminium, steel, stainless steel, zinc. Our strong R&D and ... hours. Our main products as below:Materials: stainless steel, copper, steel, aluminum alloy, zinc alloy,etcDifferent kinds of finish available, like polishing, ...