It is L of Dagang Oilfield Branch of Qingdao CNPC East China Safety and Environmental Protection Research Institute Co., Ltd.

No. The two companies have no relationship, no business dealings, and are not branches of any company. Established in 2003, Qingdao CNPC East China Safety and Environmental Protection Research Institute Co., Ltd. is located in Qingdao, Shandong Province, and is an enterprise focusing on business services. Dagang Oilfield Branch of China Petroleum and Natural Gas Co., Ltd. was established in 2000, located in Tianjin, and is an enterprise mainly engaged in natural gas production and supply.