Wang Prom Herb factory was certified the standard manufacturing process as the Good Manufacturing Practice (GMP) from the Ministry of Health in 2005. It was reflected that Wang Prom Herb responsible for consumers in dispenses them the cleaned and safety products. More than 15 years past, originated from small herbal trade and developed itself to become well known products as Wang Prom Herb nowadays. The proud of people of Rai Khing Sub-district, Sam Pran District, Nakhon Pathom that can continue and publicize the local wisdom and knowledge. Moreover, local people earn from them.