precoated sand production lines, powder spray production lines, and more than 200 sets of machining and surface treatment equipments etc., with the total assets of about rmb 280 million yuan and the annual output of rmb 500 million yuan. the company is mainly engaged in r&d, production and sales of ductile cast iron, metal fittings with special materials, quick adaptors, valves and other fluid engineering products and auto parts, and the products are sold and favored around the world.constantly insist on the operation concept of survival by high quality and development by talents cultivation, technological innovation and new products exploitation, this company has equipped with first-class technology research and innovation team, provincial-level enterprise technical centers and engineering research centers, and has conducted cooperation for years with 4 well-known universities including tsinghua university. by the end of 2010, there has been 16 authorized patents for invention