Pre-World War II
Mr. Jui Sai Sae Sim migrated from China to settle in Thailand
at Bang Khla District, Chachoengsao Province, and began his
career in gardening and raising poultry. Having saved up a certain
amount of capital, he later opened a grocery store in Bang Khla market.
Mr. Jui Sai utilized his profound knowledge of herbs, as he used to help
Chinese doctor compounding traditional medicine and pulse detection,
to produce herbal medicines using among relatives
and people in the neighborhood.