Provide construction fasteners and metal processing services. Limited company registered in 2004; In 2006, the registered capital was increased to 5 million yuan, and the main business was "fasteners for steel structures"; In 2014, the registered capital was increased again to more than 52 million yuan. It is a national high-tech enterprise, one of the fastener enterprises in Beijing, and an expert in the field of fasteners for steel structures. The company has a total business area of more than 45000 square meters and a construction area of 20000 square meters. It has hot heading workshop, cold heading workshop, heat treatment workshop, Dacromet surface treatment workshop, hot galvanizing workshop, packaging workshop and independent laboratory, and has more than 170 sets of mechanical equipment and testing equipment.