On December 7, 2018, Bank of Beijing Shenzhen Branch, TCL China Star Optoelectronic Technology Co., Ltd., and Purplevine IP Operating (Shenzhen) Co., Ltd. held the "Strategic Cooperation Signing Ceremony of TCL CSOT & Bank of Beijing Shenzhen Branch and the Launching Ceremony of Purplevine Patent Operation Fund" in Shenzhen. Huang Min, Deputy Mayor of Shenzhen, Kuang Bing, Secretary of the Leading Party Group and Director of Shenzhen Administration for Market Regulation, Qin Shijie, member of Leading Party Group and Deputy Director of Shenzhen Administration for Market Regulation, Zhang Guodu, Vice President of Bank of Beijing Shenzhen Branch, Li Dongsheng, Chairman of TCL Technology Group Corporation and TCL CSOT, Hu Lihua, CFO of TCL CSOT, and Yang Jin, Chairman of Purplevine IP Operating (Shenzhen) Co., Ltd., and other relevant responsible persons attended the meeting.

At the signing ceremony, the Shenzhen Administration for Market Regulation and the Bank of Beijing expressed that they will spare no efforts to boost the high-quality development of private enterprises through financial and other means. CSOT and Purplevine also expressed their desire and determination to lead the innovation and development of the industry by efficient patent operation and with the support of the government and banks.