ปตท เชิญชวนร่วมงาน PTT Group Innovation for Future Society

PTT Group ptt group PTT Group Rayong @pttgrouprayong8212 subscribers•31 videos More about this channelmoremore Subscribe Home Videos Community Search pttep set Big Cleaning Day 5S: Activities in August 5th 2011 on Big cleaning day President Prasert Bunsumpun with top management of PTT group in the opening ceremony

pttgc set PTT Global Chemical Public Company Limited, or GC is the world number one in chemical sector in Dow Jones Sustainability Indices , Thailand's largest