On November 27, 2025, Beijing J Energy  Co., Ltd. successfully concluded its geological supervision services for the LF12-3-A16H/A17H dual-well project at the Lefeng Oilfield operated by SK EARTHON in South China sea. This project marks the 25th geological supervision service successfully executed by J Energy in the Lefeng Block since the company assisted SK in achieving its first exploration well breakthrough in December 2017, highlighting the company's enhanced capabilities in providing specialized technical services to international oil and gas operators.