1.High in transmission efficiency 2.Smooth and stable in run, low noise 3.Compact, light, long life, high bearing capacity YND, YNL, YNS, YNF series gear reducer is my company hard surface gears product of a few big series, accord with one of T050 YB /--1993 the metallurgical equipment with YNK gear reducer "standards. This product USES the modular design, gear adopts the high quality high ...