晨昏（自動）開關、光敏開關、自動照明開關、光度控製開關  製造商、經銷商、供應商

WHO WE ARE?
Shanghai Longjoin Electrical and Mechanical Technology Co., Ltd. in September 2003 incorporated in Shanghai Baoshan District, specializes in light-controlled switching device design and development and manufacturing. February 14, 2016 implementation of the share reform and changed its name to Shanghai Long-Join Intelligent Technology Inc., May 30, 2016 in the NEEQ(National Equities Exchange and Quotations) listing, stock code 837588.
INVESTMENT
The company has a registered capital of 28 million yuan and a total investment of 150 million yuan (including fixed assets of about 100 million yuan). The headquarter is located in Shanghai. The factory is located in Haiyan, Zhejiang Province. The factory area is about 38,000 square meters.
STAFF
The company's existing staff of about 200 people, including three senior engineers, 12 engineers.
SALES
the current products are almost all exports (including self-export, export agents and lamps supporting re-export), the current annual sales of about 8.5 million.
PRODUCTS
The company's main products for the light-controlled light switches, is a type of environment to track the level of brightness to automatically control the state of controlled lighting switch of industrial or civilian control devices. Company's product development to its own intellectual property rights (authorized by the four national invention patents, nearly 30 utility model patents) as the basis, with reference to international standards, compared with similar foreign products have cost-effective advantage. At present a full range of products have been the United States UL, CE safety certification, RoHS environmental certification and stability of the export market in North America, intelligent product line continued to launch and the first product to complete certification. The company's current business level living in the forefront of the global industry.
MARKET CONDITIONS
the company's products take into account the industrial and civilian, the application of larger, so the market prospects. The basic products based on the United States popular installation (in accordance with ANSI C136.4, ANSI C136.10, ANSI C136.41 and other standards) design, the current North American market, the product has been stable supply of the United States well-known lighting manufacturers, while the United States Optical manufacturers mainstream OEM manufacturers, and indirect supply of major distribution channels; the company also actively explore Mexico, Brazil and other Central and South American market similar to the US standard. The main products bimetallic light control switch has occupied more than half of the US market share, the current program-controlled electronic intelligent light control switch has also been successfully developed and gradually put on the market, access to new and old customers unanimously approved, is expected to cultivate a new main business.
QUALIFICATION
The company's current full range of products have been the United States, Canada UL and CUL certification, CE, CQC certification, access to dozens of patents. Leading products are in line with environmental requirements. The enterprise passed the ISO9001 quality management system certification.

*Yueqing Tongda Wrie Electric Factory (headquarter) was founded in 1990
*Our main business is developing and manufacturing industrial control switches, such as Micro Switch, Rocker Switch, Telephone Hook Switch, Push Button Switch, Tact Switch, Refrigerator Switch and so on.
*Our products have passed the testing of UL,C-UL, ENEC,VDE, KC, CE, CB,TUV, CQC, EX (explosion-proof crtification) and other domestic or worldwide safety certifications.
*which has been approved by our customers (Chinese famous brands such as Media, Supor, LG Tianjing, Okin, Joyoung, Povos, Wirlpool, SEB France, Teka etc.) and it is gaining fame from our good product quality.
1. Provide customer-satisfied factory product sand supporting services for high-end complete machine enterprises
2. Integrity, diligence, pragmatism and innovation
3. Meet customer needs, become a national brand, and achieve outstanding employees

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