HAIYAN SANMA STANDARD HARDWARE CO.，LTD
bolt, nut and non-stamdard parts
Founded in 2005, Haiyan Sanma Standard Hardware Co., Ltd.covers an area of 50, 000 square meters, with plant taking up 35, 000 square meters.Our annual output of fasteners reaches 35, 000tons.
We have a wide range of facilities to produce high strength nuts, bolts and 2H nuts, such as multi-stage nut machine and bolt machine which introduced from Taiwan, as well as spheroidizing annealing furnace, heat treatment production line and automatic plating line.
With large scale, mass production and quick delivery, Haiyan Sanma has won a high reputation home and abroad.sanma's fasteners represent the highest level of Haiyan fastener production base, the latest model of green fastener company and the standard products of China power.