Prachai Leophairatana

TPI Polene Public Company Limited is a Thailand-based company engaged in construction materials business. The Company operates four business segments: construction materials segment, which is the manufacture and distribution of cement products and cement mortar under the brand name TPIPL; petrochemical and chemicals segment; energy and utilities segment, which is the electricity generation from waste heat recovery, and agriculture segment, which is the manufacture of organic fertilizer. Other business activities include the manufacture and distribution of low density polyethylene (LDPE) and ethylene vinyl acetate (EVA) plastic resins, industrial waste disposal business, the investment in pyrolysis plants and drinking water business. Its subsidiaries comprise TPI Concrete Co., Ltd., TPI Polene Power Co., Ltd., TPI All Seasons Co., Ltd., Thai Propoxide Co., Ltd. and TPI Commercial Co., Ltd.