Hainan Longpan Oilfield Technology Co., Ltd. was established in 2013, covers an area of 120,000 square metres, the existing staff of 380 people, the company's main petroleum science and technology, equipment manufacturing, marine engineering, offshore oilfield engineering technology development and services, petrochemical safety and environmental protection technology services, oil and gas field chemical services. The company developed three sea strategy: oil (based on deep-sea oil and gas development for industrial agglomeration); Hainan (the use of free trade port policy to drive industrial development); ocean (around the marine industry to expand the development of space to do more and more strong) 2020 park revenue of 600 million yuan, 2021 park revenue of 800 million yuan. The company was named ‘national high-tech enterprises’ and ‘Hainan Province, speciality and new enterprises’.