Shenzhen Oande Optical & Electronic Techonlogy Co., Ltd.has been engaged in designing, manufacturing and marketing CdS, photosensitive sensors, PIR and lens for more than 5 years. In the past years, we have accumulated abundant experience in designing, manufacturing, processing, and marketing CdS, photosensitive sensors, PIR and lens, and built up a comprehensive managing system. With hard work and exquisite techniques of our professional artificers and equipped with top production ...