Profile: Shanghai Great Wall Reducer Co., Ltd. specializes in the design and manufacture of geared motors & reducers. We are an ISO 9001:2000 certified company. We produce speed reducer, gear motor, bevel gear, worm-gear motor, cycloidal reducer, variator, planetary gear motor and planar double-enveloping worm gear. We offer a wide and comprehensive range of N-series planetary gear reducers for industrial applications. The N-series planetary gear reducer features low speed shaft design, rigid & precise nodular cast iron casting, low noise running, high & reliable performance, load capacity and low speed shaft bearing. Our G-series helical geared motor features closed case, long life, compact structure, helical hard-teeth, low noise, high efficiency, lightweight, and favorable adaptability. Our products are widely applied in various industrial applications including metallurgy, mineral, architecture, ship building, petroleum, textile, cement, pharmaceuticals, pumps and general mechanic. We also export our products to various countries worldwide.