Shenzhen Longxinda Technology Co., Ltd. is a joint-stock enterprise specializing in sensitive components such as photoresistors. The company is located in Shenzhen, the most economically active city in China. At present, the company has various series of sensor products such as photoresistors (Φ 3.4.5.7.11.12.20.25), with an annual production capacity of over 100 million units, and all indicators have reached the advanced level of international similar products. According to the EU Dual Directive (ROHs), on July 1, 2006, products containing environmental pollutants such as cadmium were prohibited from entering the European and American markets. Our company has increased its investment in scientific research and has taken the lead in developing and producing products that replace cadmium sulfide (CDS) photoresistors - photosensitive sensors, photosensitive ICs, (environmentally friendly photoresistors). They have the characteristics of photoresistors and all indicators have reached ...