I.CH was found in 2006, located in Nanjing, China. We specialized in researching, developing and servicing electric motors, gearbox and high precision gears with small module. After years of development, we have an independent product design and R&D team, service team and professional quality control team. To realize our service concept better, provide high quality products and excellent service, we have been committed to the core ability and training. We have a holding factory in Nanjing, which produce high presicion? small?moulds gears, gearbox and planetary gearbox assembling.