No. Company Shareholding Paid-up Capital (Unit: Million Baht) 10. WHA Industrial Estate Rayong Co., Ltd. Address: 777 WHA TOWER, 23rd - 25th Floor, Moo 13, Debaratna Road  (Bangna-Trad) KM.7, Bang Kaeo, Bang Phli, Samut Prakarn Tel. 0-3895-4543-4 Type of Business: Industrial estate development 40.00% 680 11. IRPC Clean Power Co., Ltd. Address: 299 Moo 5, Sukhumvit Road, Choeng Noen, Rayong Tel. 0-3892-1333 ext. 4810 Fax. 0-3861-2813 Type of Business: Production and distribution of electricity and steam 48.99% 3,362 12. UBE Chemicals (Asia) Public Company Limited Address: 98 Sathorn Square Office Tower, 18th Floor, North Sathorn Road, Silom, Bang Rak, Bangkok Tel. 0-2206-9300 Fax. 0-2206-9310, 0-2206-9316 Type of Business: Production and distribution of petrochemical products 25.00% 10,739 13. PTT Energy Solutions Co., Ltd. Address: 888 Map Chalud-Laem Son Road, Huai Pong, Rayong Tel. 0-3897-8300 Fax. 0-3897-8333 Type of Business: Engineering consultancy 20.00% 150 14. Guangzhou Saiju Performance Polymer Ltd. Address: G314, No. 201, Kezhu Road, New and Hi-tech Industrial Development Zone, Science City, Guangzhou, China, 510000 Tel. (86) 020-28143100, (86) 020-28143180 Type of Business: E-commerce distribution of polymers and chemicals in China 15.00% 8.9 (Million Chinese Yuan) 15. Sarn Palung Social Enterprise Co., Ltd. Address: 555/1 Energy Complex Building A, 10th Floor, Vibhavadi Rangsit Road, Chatuchak, Bangkok Tel. 0-2537-2971 Type of Business: Supporting execution of social enterprises 15.00% 2.5 16. Rayong Acetylene Co., Ltd. Address: 2/3 Moo 14, Bangna-Trad Road, Km. 6.5, Bang Kaeo, Bang Phli, Samut Prakan Tel. 0-3862-1680 Type of Business: Production and distribution of acetylene 13.04% 115 Note: Only operating companies are shown. 190 IRPC PUBLIC COMPANY LIMITED 56-1 ONE REPORT 2021
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