Headquartered in Shanghai with a manufacturing plant in Kunshan city of Jiangsu province, SUYU is a prominent railway fastener manufacturer in China. Since its establishment in 2003, SUYU is dedicated to supply a wide range of railway accessories and tools, including track bolts, screw spikes, rail clips, rail clamps, shock absorbers, rail tie plates, rail fish plates, rail shoulders, nylon insulators, rail sleeves, rail pads, nuts and washers, locomotive leaf springs, steel rails and many others.
The production workshop spans more than 8,000 square meters. It is outfitted with over 80 sets of production equipment, including 27 sets of vertical pressing machines in capacities ranging from 40 tons to 250 tons, 8 sets of threading machines and 4 net-belt type heat treatment production lines. Backed by the efficient production devices, the annual production capacity of bolt spike is 12,000 tons, annual capacity of spring bar is more than 10 million pieces, and the heat treatment capacity is 8,000 tons.