Hainan Yisheng Petrochemical has integrated its R&D operations directly alongside its production lines. Recognized as a national-level high-tech enterprise and a provincial-level enterprise technology center in Hainan, the company invested 1.018 billion RMB in R&D in 2024—ranking 213th among the "Top 500 Private Enterprises by R&D Investment (2025)" and standing as the only representative from Hainan. It holds 13 authorized invention patents and 40 utility model patents. Its research focuses on PTA oxidation and purification, as well as PET polymerization, specifically targeting catalysts, energy efficiency, and the viscosity and crystallization properties of polymer chips.