... 3,Staff objectives: Choi-chi, with a minor, win-win progress.4,Business philosophy: science and technology, quality, service, ... personnel, learning concept. About factoryShenzhen Yi Tong Neng Technology Co., Ltd. is a professional company in developing and manufacturing ... air.Staff objectives: Choi-chi, with a minor, win-win progress.Business philosophy: science and technology, quality, service, win ...