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Dashang Toffee Detection Technology Co., Ltd. (hereinafter referred to as "Toffee Company") is a wholly-owned subsidiary of Dalian Commodity Exchange (hereinafter referred to as "Dashang Institute"), which is a securities and futures industry approved by China Securities Regulatory Commission in 2020.

A professional testing company with registered capital of 1 100 million yuan. Toffee Company was developed by Dashang Institute on the basis of the original testing team and testing technology. On 20 10, Dashang Institute set up a testing center in its subordinate Feichuang Information Technology Company, and set up CNAS national software testing laboratory on 20 1 1.