这里，要打造千亿级石化新材料产业

Group 1: Petrochemical and New Materials Industry - By 2027, the output value of the petrochemical new materials industry in Hainan is expected to exceed 160 billion yuan [1] - The plan aims to enhance the petrochemical new materials industry by leveraging the benefits of the "fixed enterprise, fixed variety, fixed quantity" policy for crude oil imports, promoting a complete industrial chain from "oil head - chemical transformation - new materials tail" [1] - The strategy includes expanding the olefin industry chain by sourcing raw materials like naphtha and propane, and developing high-end chemical new materials [1] Group 2: Marine and Renewable Energy Industry - The plan emphasizes the cultivation of emerging marine industries, including increasing reserves and production of marine oil and gas resources, and conducting evaluations for multi-gas extraction and utilization [1] - Hainan aims to develop the marine renewable energy sector, including the planning of integrated demonstration projects for offshore wind power hydrogen production and methanol production [1] - The initiative also focuses on enhancing marine technology innovation capabilities and establishing a "smart ocean" innovation hub [1] Group 3: Economic Structure and Innovation - By 2027, the value added of the four leading industries (tourism, modern services, high-tech industries, and tropical efficient agriculture) is expected to account for approximately 70% of GDP, with modern services contributing nearly 30% [2] - The integration of technological and industrial innovation is a priority, with a target for R&D expenditure intensity to reach 1.8% by 2027, and high-tech industry value added to exceed 17% of GDP [2]