Hengyi Industries Sdn Bhd, located in Brunei, is a significant player in the petrochemical sector. With an investment of USD 3.45 billion, it represents the largest overseas investment by a private Chinese enterprise and is Brunei's largest foreign direct investment. The company operates an integrated refinery and petrochemical complex at Pulau Muara Besar, with Phase 1 already completed and operational since 2019. Hengyi’s focus on innovation and sustainability aligns with Brunei's long-term economic goals, particularly its "Wawasan 2035" vision