On March 6th 2023, Shanghai Zhongman Investment Holding Co., Ltd. has proposed that the company accepts a proposal to bid on a drilling engineering services contract for the Tenge Oilfield in Kazakhstan, with a contract value not exceeding 15,200,000,000.00 Tenge (approximately RMB 241.68 million), if Petro Petroleum and Natural Gas Services LLP, a wholly-owned subsidiary of the company, wins the bid.