Sichuan Shi Ruien Machinery Co., Ltd. is a modernism enterprise which produces mechanical transmission parts. It specializes in manufacturing a wide range of transmission parts including locking devices, taper bushes, torque limiters, couplings, gears, sprockets, timing pulleys. Its products are widely applied in various industries, such as paper-making, printing, packaging, textile, metallurgy, chemical industry, automobile, machine tool, etc. Products are sold to all over the country, and some products are exported to developed regions including Japan and South Korea, Europe and America.