Zhuhai Huizhuo Enterprise Management Partnership Enterprise agreed to acquire Guangzhou Longwen Education Technology Co., Ltd. and Beijing Longwenyun Education Technology Co., Ltd. from Dongguan Kingsun Optoelectronic Co.,Ltd. (SZSE:002638) for CNY 1 on March 14, 2022. Within 5 days from the agreement effective date, Zhuhai Huizhuo Enterprise Management Partnership Enterprise (Limited Partnership) will pay the transfer price. As on Guangzhou Longwen Education Technology Co., Ltd. reported Total Assets of approximately CNY 350 million and negative net worth of approximately CNY 68 million, Beijing Longwenyun Education Technology Co., Ltd. reported total assets of approximately CNY 97.91 million and negative net worth of approximately CNY
90.58 million. The transaction is subject to approval by shareholders of Dongguan Kingsun Optoelectronic. The transaction has been approved by the board of Dongguan Kingsun Optoelectronic.

Zhuhai Huizhuo Enterprise Management Partnership Enterprise completed the Guangzhou Longwen Education Technology Co., Ltd. and 99% stake in Beijing Longwenyun Education Technology Co., Ltd. from Dongguan Kingsun Optoelectronic Co.,Ltd. (SZSE:002638) on May 13, 2022.