Yongnian Hanguang Fastener Co., Ltd.. is a professional production of fasteners of larger enterprises. HanGuang have advanced technology, strong technical force and complete testing equipments. HanGuang engaged in the fastener industry for 23 years, average daily production of more than 20 tons. Our company produces "HG" brand Bolts,Nuts, Screws, Anchors, Washers, Threaded rod and so on. It can be adopted standard GB, ISO, DIN, ANSI, BS and JIS to organize producing. Hanguang has ...