Located west of the Beijing-Guangzhou Railway line and 18 kilometers north of Handan City. Handan City Guantong Fastener Co., Ltd., with a fixed asset of 30 million yuan, is a scale enterprise mainly producing two major series of products, fasteners and automobile fittings.. Our main products include: (1) Fasteners series: Cold-heading M6-M22 smooth nuts of national standard, M20-M100 crude nuts, high intensity nuts and various kinds of irregularly shaped nuts. (2) Automobile fittings series: Automobile trailer turntables, wheel hubs, fittings for other kinds of machines, and ductile iron fittings. Our annual yield of bainite ductile iron fittings is over ten thousand tons and our annual yield of nuts is over eight thousand tons.