Chang Long-Sheng Tianjin Machinery Trading Co., Ltd. is located in equipment, Nankai District, Tianjin, China Miyun, 39, Chang Sheng Tianjin Trading Company Long mechanical equipment is a plate rail, linear rails, linear roller unit, cross rails, cross- Scroll unit, rolling block, roller chain, Cross-Roller Ring, travel hub, Ball Spline, Spline ladder, ball screws, trapezoidal screw, coupling, lock nut, screw drives, linear module, linear positioning stage, linear bearings, linear axis, joint bearings, spherical bearings, ceramic bearings, stainless steel bearings, special bearings, bearings, man-machine interface products such as wholesale distribution of the integrated companies, selling products in the consumer market among consumers enjoy a higher status, the company with a number of retailers and agents to establish a long-term stable relations of cooperation. Product variety, reasonable prices. Chang Long-Sheng Tianjin Machinery Trading Company strength equipment, credit, keep the contract, to ensure product quality, variety principles of operating characteristics and puerile, and win the trust of our customers.