Zhejiang long-Join Electronics Co., Ltd, is a wholly-owned subsidiary of Shanghai Long-Join intelligent Technology Inc, (stock Code:837588). The company was founded in 1996 for more than 20 years. The photo controller series is a word-class leading product in the industry. The company’s business purpose is "Innovation and Excellence". Shanghai Long-Join Intelligent Technology Headquarters and Zhejiang Long- Join Electronics are both National High-tech Enterprises, and shanghai Long-Join Intelligent Technology is also a National Specialized "small giant" Enterprise. 

Zhejiang Long-Join Electronics Manufacturing Base is located in Haiyan County, Zhejiang Province, close to Shanghai and Ningbo Hangzhou Bay. It has passed the lSO9001 quality management system certification, ISO14001 environmental management System certification and ISO 45001 occupational health and safety management System certification. The factory has about 200 members, including 8 senior engineers and 22 engineers, about 8.5 million sets of light-controlled switch components are exported annually (including self-export, agent export and supporting re-export of lamp enterprises). There is a city-level standard laboratory for intelligent street lamp control in the plant.