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