Thai Farmer's Way of Life and Spirit Learning Center (Na Hia Chai)
Father and mother of Mr. Pichai Charoenthamraksa (Hia Chai) fled the drought from mainland China, and came to settle at Suan Taeng Subdistrict and moved to U-Ya
Later, his mother worked as a carry-on trade for paddy, selling rice and curry, coffee shops, and grocery stores, respectively; then, Hia Chai came to help the family in buying paddy business.
In 1997, the family decided to change careers, from buying paddy to collecting rice seeds for trade, with the help from their children under the trademark "Hia Chai Rice Seeds"