Yeong Guan Energy Technology Group Co., Ltd. is an investment holding company that supplies castings to manufacturers of wind turbines, injection molding machines, machine tools, and other heavy industrial machines in Taiwan and China. It manufactures and sells high-grade spheroidal graphite cast iron and gray cast iron products. The company also provides renewable energy components such as bearing housings, brake discs, torque arms, planet carriers, gearboxes, fixed shafts, shafts, hubs, and base frames; plastic injection molding machine parts including end, moving, and stationary platens, and cylinders; welding components such as granulation chambers, machine frames, accelerators, drums, and bases; and painting parts. Additionally, it offers industrial machinery products including valve bodies and butterfly valves for water treatment, cooler shells and rotors for air compressors, crowns and slides for press machines, wheel hubs, axle housings, and bearing rings for construction and mining equipment, support, engine blocks, and coolant housings for marine equipment, and compressor vane carriers and diffusors for thermal energy. The company is also involved in import and export business. Founded in 1971, it is headquartered in Ningbo, China.