We are aleading construction fastener manufacturein China with over 10 years experience.Our products includingmechanical anchor bolt, chemical anchor bolt, Inverted cone chemical anchor bolt, heavy expansion anchor boltcan be used in curtain wall, steel structure, photovoltaic, pipe gallery and Subway etc.We are a company integrating production, research and development and sales. We also have our own patented product with international Qualification Certificate.Our products can be used in nuclear power, curtain wall, steel structure, photovoltaic, pipe gallery and Subway etc.