ounded in 2001, Leling Haiyu Auto Parts Manufacture Co., Ltd is a large export-oriented private enterprise with big export volume in the domestic manufacturing industry of air cleaner, auto air conditioner, and environmentally friendly oil filter; it is located at Leling Economic-technological Development Zone,with a floor area of 19,000 sq. m, a modern workshop area of 9,000 sq. m, and annual production capacity of 10 million auto filter cores