Shenzhen Saixing Optoelectronics Co., Ltd. is a technology-based enterprise that integrates research and development, production and sales of aviation and navigation aids. It has many years of R&D and production experience, and its technology and process are superior to similar products at home and abroad.

Changzhou Aviation Technical School, founded in 1984, is a key technical school in Jiangsu Province and an excellent unit for skill appraisal in Changzhou City. After 32 years of development, inheritance, pioneering and innovation, the school has now become a cradle for cultivating skilled talents in aviation services, mechanical manufacturing, information technology, accounting management, and art performance. The school cooperates with relevant universities to improve students' academic qualifications and actively carries out high-skill training for the society.

Changzhou Matt Electric Co., Ltd. was founded in 2002, specializing in the research and development, production and sales of BLDC, DC and AC motors. The company is located in the scenic Jiangnan Longcheng, adjacent to the Shanghai-Nanjing Expressway and the Yangtze River Expressway, with very convenient transportation. The company covers an area of ​​more than 20,000 square meters, with a construction area of ​​more than 15,000 square meters. It currently has more than 300 employees and more than 40 R&D teams.

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Changzhou Songzheng Electric Co., Ltd.'s products include high-power micro-electric car new energy special controllers, brushless DC hydraulic pump special controllers, sine wave vector motor controllers, permanent magnet synchronous motor controllers, DC brushless motor controllers, brushless motor controllers, electric vehicle controllers, brushed motor controllers, motor controllers, intelligent motor controllers, and new energy motor controllers.

Dadaesoft provides hospital management programs, billing programs, and k-charts.

Dadoshop.it, Point of reference for the sale of large and small household appliances, official PremierTech retailers.

DAEL is manufacturer of Solarguide, portable solar energy generator. DAEL is manufacturer of Solarguide, portable solar energy generator.

Sunbigdaesung Energytech

Solar Collectors, Package Systems, Solar Energy Boilers, Solar Energy Accessories, PV Panels, Heat Pumps