ADDRESS:Room 008, 1st Floor, Building 2, No. 999, Gangyuan 8th Road, High-tech Zone, Jinan City, Shandong Province | BUSINESS SCOPE: | Development and design of information security software and hardware; system integration; integrated wiring; design and construction of intelligent building engineering; design and construction of security monitoring engineering; research and development, production and sales of precision electronic equipment; security equipment, ordinary mechanical equipment, instruments and meters , Wujinjiaodian, sales of office supplies; house leasing. (Projects that are subject to approval in accordance with the law can only carry out business activities after being approved by relevant departments) | E-MAIL: | office@donsun.com.cn;879720059@qq.com
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