Shenzhen Cordier Electronic Co., Ltd. is a professional design and manufacturing company of electronic products, including carbon monoxide detectors, power bank, tablet PC, set top box, digital photo frame, fire extinguishers ball, alkaline battery recharger, gas detector, gas & codetector and wireless GSM alarm systems, etc. Engaged in developing and manufacturing high quality electronic products, all of our products have complied with CE and RoHS standard. Some of them have EN50291, ...