Chiwin Precision Mould

Core machining service: CNC/manual- milling&turning, grinding(cylindrical-, internal-, surface-) and eroding, and wire EDM, EDM, laser etching, etc. Core products: customized multi-cavity molds parts, high precision tools(like punches, ejectors), components for mould making for injection molding in the automotive, semiconductor, electronics, cosmetic packaging industry, etc. High precision: size tolerance±0.001mm,co-axiality within 0.002, circularity 0.0015mm, surface roughness Ra0.025, linearity 300mm within 0.002.