Hebei Yongnian Manbaoli fasteners Manufacturing Co., LTD., located in the southwest development zone of Yongnian, Hebei, is a professional manufacturer of external hexagonal bolts with National standard, German table, British standard and American standard.A stable sales network and the export trade, the company has 17 years in local manufacturing base, and maintain cooperative relations with hundreds of factories on the market, our company adhere to the rigorous, efficient, innovative corporate philosophy, hu the original with the domestic and foreign new and old customers sincere cooperation, for customers to provide quality services and high quality products, hu hu sincerely welcome overseas customers to discuss cooperation business