Weifang Dafa Machinery Co., Ltd has 30 years experience in making parts of cast iron and cast steel, that are used in the industries of automobile, ship and sea port, mine, electric power, electrical, etc. We are professional in casting, machining, and assembing. Material can be ductile cast iron (spheroidal graphite cast iron), gray iron, alloy cast iron, cast steel, alloy steel, etc.. Our speciality business is making parts and assembling devices as per customers' English technical drawings and document. More than 90% of our sales is exported to international companies customers, or is to multinational corporation's China subsidiary companies. We use coating thickness gauge to ensure galvanization thickness. We use South Korea invested company with high quality as our galvanization supplier.