Ningbo Sanzo Import And Export Co.Ltd is a professional bearings and auto parts production and trading combined company.The company locate in the center of bearings and mechanical manufacturing industry city Cixi.The company owns two manufacturing plants:Cixi Yongchang Bearings Co.Ltd & Cixi Kangchun Hardwares Co.Ltd. Cixi Kangchun Hardwares Co.Ltd was established in 1991.It is the largest spark plug shell manufacturer in China.We have more than 600 variety of spark plug shell to cover auto motocycle aeromodle and other industries.The factory acquired TS16949 certificate in 2010.The major customers are:BOSCH;UCI-FARM;TORCH and so on. Cixi Yongchang Bearings Co.Ltd focous on manufacturing high precision low noise deep groove ball bearings.The factory equip with high precision automatic bearings grinding machine, assembling, clearing,grease-filling line. The precision devices, advanced production techniques and strict quality control system guarantee high precision,low noise and long serve lifetime of our bearings.The production range is from 3MM bore diameter to 45MM outer diameter variety of ball bearings. Beside the normal bearings products,we also can design and produce non-standard bearings and mechanical parts according to drawings or customer's request by combination the bearings and hardwares factory production capacity.The products range could be:precision shaft, bushing,Gear, Sprocket, Time Pulley and various of special-shaped transmission parts. We could be your one stop reliable solution for your transmission request. We welcome all the clients from any area to visit and cooperate with us. We would like to provide you high quality products with reasonable price and high efficient service