spike,bolt and mut for railway

Our Company products consist of high ?strengh joint bolt and nut, high- strength washer, spring washer, Type I strip pintle, Type II and Type III strip, common spike, screw spike, fittings for speed-increasing switches and sleepers. The plant is able to quench the rail of 25 mm in full length and roll various steels use in railway.
The products have been sold to U.S.A, Australia, Canada, Indonesia, Singapore, Cuba, Iran and have been well received by the customers.