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Company Headquarters: No.7 Wuyang Road, Shibei District, Qingdao City Production Base: Jiefang Third Road, Longquan Town, Jimo City, Qingdao City Zip code：266042 Tel：+86-0532-86125308 Fax：+86-0532-86125820 Website：www.tjccsm.com
《Telecommunications and Information Services Business License of the People's Republic of China》 Lu ICP No. 13011890-1 Technical support：WQQJ Lu Public Security Registration No. 37028202000279
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