Because the Poy sian brand inhaler market is interesting. Because it is an inhaler product with a market share of 70%, it is number 1 in Thailand and Poy Sian is an old brand that has been in the inhaler industry for a long time. It has brand awareness that everyone knows. It is a product that is paired with Thai people, for up to 87 years, it is considered a product that most Thai people like to use regularly. And Poy Sian brand inhaler still has a trend from actors and singers from abroad, making Poy sian brand inhaler always remain a trend. This allows the brand to increase its domestic market share and enter the international market. Even though it is a brand that is rarely marketed But it is a very strong brand.