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, agriculture machinery, construction machinery, machine tool, piping components and other industrial components, construction, civil engineering, ship and sea port, mine, railway, 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 know the importance of dynamic balance for the belt pullrys, and can ensure its vibration to minimun. We have made detailed Work Instruction Papers for casting and machining job.