... to clients 1materialgrey cast iron, ductile cast iron, steel, stainless steel, brass, copper, bronze, aluminum, zinc etc2sandgreen sand, sodium silicate sand etc3mahinelathe, CNC, drilling machine, ... investment casting, lost wax casting, die casting, forging, stamping, machining etc5min tolerance0.05mm6capacity0.5~5000kg7surface treatmentpowder coating, painting, spraying, galvanization8standardJIS ...