Colleague relationship. Da Rui Futures Co., Ltd. is a large futures brokerage company, which has obtained the futures brokerage business license issued by China Securities Regulatory Commission and registered with the approval of the State Administration for Industry and Commerce. In the company, there is no cordial relationship between Li Han and Han Xinyi, just an ordinary colleague relationship. Da Rui Information Security Industry Co., Ltd. is a professional supplier of large-scale information security products and information security solutions in China.