The Steel Tank Institute/Steel Plate Fabricators Association (STI/SPFA) is pleased to announce Padungsilpa Engineering Co., Ltd. as the Top STI Permatank® Producer of the Decade. STI/SPFA Executive Vice President Wayne Geyer presented the decade award-winning plaque to Padungsilpa Engineering Co., Ltd. Managing Director Supara Sinsamudpadung in Thailand on February 7, 2020.