Shenzhen Kai Wei letter Technology Co., Ltd. is specialized in safety fire protection, security of electronic security products research and development, production, trade as one of the specialized electronics company, the main products are stand-alone smoke, networked smoke detectors, smoke detection of non-coding , a point-type smoke detectors, photoelectric smoke detectors, temperature sense alarm, combustible gas, fire alarm and fire systems and other accessories host automatic fire alarm equipment. Company: solidarity, responsibility, efficiency, innovation,