Guangdong Zhongtian Chuangzhan Ductile Iron Co., Ltd. is located in Yingde City, Qingyuan, Guangdong Province. It is a privately-owned modern enterprise specializing in scientific research, production, and large-scale mechanical processing of ductile iron, creep cast iron, gray cast iron, and special performance cast iron. It has been recognized as a national high-tech enterprise, a national intellectual property advantage enterprise, a Guangdong province specialized, refined, special and new small and medium-sized enterprise, and an innovative enterprise. All products are made of furan resin sand and produced by medium frequency induction furnace, with an annual production capacity of 100000 tons. The maximum weight of a single piece of ductile iron is 70T, and the maximum weight of a single piece of gray iron is 80T, which is at the leading level in the province. The main products include cast iron research, production, precision machining of large mechanical parts, CNC gantry machining centers and CNC lathe manufacturing, such as ductile iron parts, nodular cast iron parts, vermicular cast iron parts, gray cast iron and special performance cast iron. The main supporting industries include engineering machinery, die-casting machinery, injection molding machinery, automotive stretching molds, wind power generation machinery, diesel engines, aluminum alloy wheels, machining center machine tools and other working mother machines. Among them, thin film machinery, pressure machinery, medical machinery, petroleum machinery, valves, spark machinery are also exported to countries and regions such as Japan, the United States, Israel, France, South Korea, Taiwan, Hong Kong, etc., and have obtained good reputation.