The four generation set of Huaneng Luohuang Power Plant were made by ALSTOM company of French. The DCS control system , including harmony control system and DEH control system are designed by French GEC-ALSTOM DEM company.

• 华能珞璜电厂四台发电机组的DCS控制系统，包括协调控制系统、DEH控制系统均由法国GEC-ALSTOM DEM公司开发设计。