Large state-owned enterprises. According to the query enterprise search, Shenzhen Trading Group Limited is a large wholly state-owned enterprise established by the Shenzhen Municipal Government and the Municipal State-owned Assets Supervision and Administration Commission for the purpose of integrating and establishing the city's unified public **** resources trading platform. Trading Group in August 2019 to complete the city's state-owned trading resources integration and reform, Shenzhen Stock Exchange, Shenzhen International Bidding Company Limited, Shenzhen Emission Rights Exchange, Shenzhen Southern Big Data Trading Company Limited into the group platform system.