Shenzhen SDG Information Co.,LTD Founded in August 1, 1981, is the first large-scale state-owned enterprise group established in Shenzhen. Has been included in the first batch of Shenzhen key support 30 enterprise group in Guangdong Province, the first batch of key support 70 enterprise group, the first batch of national key support of the 520 groups, 120 national large enterprise pilot