Brief introduction: Liu Liyuan, shareholder of Shenzhen Jinfeng Star Technology Co., Ltd. and Shenzhen Jin Fengcheng Software Co., Ltd., executive of Shenzhen Jinfeng Traceability Technology Co., Ltd., Shenzhen Jinfeng Caixun Traceability Information Technology Co., Ltd. and Shenzhen Jinfeng Daoye Traceability Technology Co., Ltd.