HANDAN CITY YONGNIAN BAIYUN EXPANSION BOLTS FACTORY was founded in 1998, HANDAN City was established earlier, large-scale expansion screws, building anchors, curtain wall anchors professional manufacturers, specializing in building anchor parts scientific research, development, production, sales, service in one of the scientific research branches. With perfect quality inspection facilities and scientific research and development institutions, strong strength of technology for the majority of users to provide quality and reliable service! Registered trademark "BAIYUN" brand building anchor bolt series, expansion bolt series. The products have sold well all over the country and HONG Kong, Macao, Taiwan, Southeast Asia, Japan, the United States, South Korea and other countries and regions, by the majority of customers and users of the unanimous praise. Our main products: Wedge anchor,Sleeve anchor,Metal frame anchor,drop in anchor,Bolt anchor,dry wall nail, screw, bolt and nut, gasket, bracket series products. BAIYUN expansion plug factory integrity, strength and product quality has been recognized by the industry. To create value for customers, to enhance value for customers is our constant pursuit, welcome friends from all walks of life to visit, guide and business negotiations.