In the key projects of OKI Chemical Group, PT. Winnerpower Indonesia has successfully completed the electromechanical installation of several chemical process units, including the precise positioning and commissioning of pressure vessels, reactors and other special equipment. The project team overcame the challenges of high temperature and space constraints on site, achieved millimeter-level installation accuracy of 100-ton equipment, and strictly implemented the ISO 45001 safety management system to maintain the record of "zero accident". The project fully demonstrated the company's technical advantages in the field of chemical equipment life cycle services.