CNOOC Nangang Warehouse is located at No. 10 Gangtong Road, Cangsheng Street, Nangang Industrial Zone, Tianjin Development Zone. CNOOC (Tianjin) Oilfield Chemical Co., Ltd. was established on June 28, 2018. Its registered address is No. 6 Taihui Road, Nangang Industrial Zone, Tianjin Development Zone, and its legal representative is Lan Xiying. The business scope includes offshore oil engineering technology development, transfer and consulting services. Chemical product sales and related services. Sales and related services of underground electric pump units and electronic control products. Research and design of oil and gas field development plans. Drilling and completion, oil production technology research and engineering scheme design. Research and development of oil, gas and water treatment technology. Oil and gas field development and production experimental analysis services. Technical services and operational services for drilling, completion, well workover, and production stimulation. Communication information network system integration services. Sales, leasing, installation, maintenance, and monitoring of oil and gas field tools, logging equipment, marine engineering equipment, and large petrochemical equipment (except for certification). Environmental monitoring. Productive scrap metal recycling. Self-operated and agent import and export of goods and technology. Home rental. Well control services. Manufacturing of specialized chemical products (excluding hazardous chemicals). Production of chemical products (excluding licensed chemical products). (Projects that require approval according to law can only carry out business activities after approval from relevant departments).