DescriptionSEPCOIII Electric Power Construction Co., Ltd. is a Qingdao-based POWERCHINA subsidiary and international engineering, procurement, and construction contractor for power and infrastructure projects. It delivers full-scope EPC, EPCO, BOT, BOO, PMC, commissioning, operations, and maintenance services across thermal, nuclear, wind, solar, biomass, substations, desalination, and related energy infrastructure.