Ouiheng was first founded in bangkok as a grocery store before entering into the pharmaceutical and healthcares industry
Ouiheng was successfully as one of the thw biggest phamaceutical wholsalers in Thailand.
The drugstore was registered under the name of Ouiheng Co., Ltd.
Ouiheng Import Co., Ltd. was established to distribute imported phamaceuticals and its local manufacturing brands from Greater Pharma Ltd. Part. throughout the country. Furthermore, Ouiheng Import was also appointed as Licensees for some of the world’s leading phamaceutical companies such as Daiichi Pharmaceutical, Japan (presently name changed to Daiichi Sankyo Co., Ltd), Sebapharma GmbH from Germany, etc.
As a result of over 30 years of successful operation, the company name was changed on 1 st July, 2008 to Ouiheng International Healthcare Co., Ltd. to suit the specific activities of the company.