Yueqing COMBO Electric Co.,Ltd was established in 2006, located in Yueqing City near to Shanghai and Ningbo. We are focused on manufacturing Switch&Socket more than 12 years.Over 10,00,000 pcs per year exported to all over the world.Professional R&D team to guarantee OEM&ODM service.High-Level Value Engineering to improve the quality and reduce cost every year.Responded to any inquiry fast and provided professional solution by our sales team with over 10 years export experience.Independent QC department handle complete inspection. Test lab handle sampling inspection per every orders.Accept Alibaba Trade Assurance.