1、UNIFORM LOAD AND HIGH ACCURACY: The guide rail adopts for Goethe style four point contact design, which can bear load evenly in all directions(up and down, left and right) and has self adjusting function, which can absorb the assembly error of the mounting surface, and high accurate under high load 2、WEAR RESISTING AND STABLE: The guide adopts excellent high carbon steel, using tempering technology, long term wear resisting, with super stability, strong bending resistance, not easy to deform and distortion, to ensure linear movement 3、EXCELLENT PERFORMANCE: Linear guide rail with high rigidity, high accuracy; High speed, not catdon; Low friction, super quiet; High standard, more durable; High hardness, wear resistance; More stable quality 4、IMPACT RESISTANT AND STRONG MATERIAL: Material with high purity, strong hardness, wear resistance and contact fatigue strength while the heart also retains good toughness, can withstand high impact load 5、WIDE APPLICABLE: Guide rail is widely used in machine tools, construction machinery, robots, reducer, iron and steel, metallurgy, textile, mining, printing, aerospace and other industrial fields 6、INTERNAL AND EXTERNAL DESIGN: The internal ball distribution is reasonable, the gap is uniform, the use of long time, the performance is stable; The surface gap is rigorous and smooth, the speed is high, and not easy to be scalded