Hebei dashan fasteners co.,ltd is a large fastener production group, which has multiple production workshops. The company’s products and China Construction Group, China Railway Group, China Metallurgical Group, China Communications Group, China Coal Group have carried out in-depth cooperation.
Many countries have issued policies that do not allow the use of welding technology to connect threads as structural support in buildings, so the emergence of steel sleeve solves this problem, using sleeve to connect two threads together, stable and durable.