The Thai Herbal Products Company factory,which manufactures the brand name "PHYTO CARE" products is located at Factoryland industrial estate in Pranakorn Sri Ayutthaya province.its main activity is producing herbal medicines and health food supplements,under the Thai FDA GMP. The factory adherres to strict QC methods from raw materials to the finished products at the similar degree as for modern drugs,for example,the gamma ray radiation is used in neutralizing any bacteria or fungal materials,analyzing of active compounds in each product to ensure meeting strict requirements,and a hyginic operating site,along with strict rules governing the sterility of the finished products as not seen in other Thai herbal manufacturers.