บริษัท คงสงวนเอ็นจิเนียริ่ง (1993) จำกัด
INLINE BOOSTER PUMP
WATER SUPPLY TECHNOLOGY
SMART PUMPING SYSTEM
Kongsanguan Engineering (1993) Co., Ltd.
Designing and installing large scale of water distribution systems for both government and private enterprises as well as providing engineering consultancy services. Besides, the company sells irrigation system equipment imported from USA for Golf Course, Landscape, Farms and Sports fields