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On November 15, at the PTA construction site of the second-phase project of Hainan Yisheng Petrochemical Co., Ltd., workers were lifting the steel structure of the main production hall for the PTA facility. Inside the main workshop, multiple towers have been lifted into place. Next to the acetic acid treatment tower, Wu Haijun, the technical supervisor of the construction company Shaanxi Huajian Engineering Co., Ltd., is discussing the next steps in the construction work with the workers. “The acetic acid treatment tower has just been installed, and the next step will be to weld ladders and platforms to the tower body. ”In the main workshop, a giant tower lies on the ground, waiting to be lifted. “This is Tower 2, a high-pressure absorption tower that is 47 meters tall and weighs 219 tons; we plan to lift it these days. ”Wu Haijun said that since the installation work of production equipment began at the beginning of August this year, more than 50 various types of towers and storage tanks have been installed so far, with the overall installation progress reaching nearly 30%. The total investment in Hainan Yisheng Petrochemical’s Phase II project is 8 billion yuan. The construction includes a PTA production facility with an annual output of 2.5 million tons and a PET production facility with an annual output of 1.8 million tons. There will also be upgrades and expansions to the solid cargo terminal, as well as the construction of new office buildings, fire stations, dormitories, and other facilities. Li Bing, the head of equipment at Yisheng Petrochemical’s Engineering Department, said that as of November 15, contracts worth approximately 5.746 billion yuan had been signed for the second-phase project, with an investment of around 3 billion yuan planned for 2022. In terms of construction, about 54% of the civil work for the PTA project has been completed, while the civil work for the main units, boilers, and the expansion/renovation of the pulp production facilities is currently in progress; 14% of the civil work for the PET project has been finished. The entire Phase 2 project is scheduled to begin trial operation in June 2023. Once the second-phase project is completed and put into operation, Yisheng Petrochemical’s PTA production capacity will reach 4.6 million tons, while its PET production capacity will reach 3.8 million tons, giving it a pivotal role in the country’s aromatic chemicals industry chain.