The market share of PTT. It is not a 100% all business models. But there are some businesses that accounted for a market share of more than 5 to 4, that is, the natural gas pipeline business in the Gulf of Thailand. Which has a market share of over. Ninety percent And largest oil importer Yap, which has a market share of about fifty percent Senses. From this information, one can say that PTT is a monopoly.
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