Tenglong Group Co., Ltd. (603158.SH) invested in Tongbao Optoelectronics, and its application for a public offering of stocks was approved by the Beijing Stock Exchange.

Finance app Zhitong reported that Tenglong Stock (603158.SH) issued an announcement that its holding company, Changzhou Tongbao Optoelectronics Co., Ltd. (referred to as "Tongbao Optoelectronics"), received an "Acceptance Notice" from the Beijing Stock Exchange on April 27, 2025. The Beijing Stock Exchange officially accepted Tongbao Optoelectronics' application to publicly issue shares to unspecified qualified investors and list on the Beijing Stock Exchange. On November 13, 2025, it was approved by the Listing Committee of the Beijing Stock Exchange.