Thailand organized the first Senior Officials and the first Ministerial Meetings of Pentalateral Cooperation on Drug Control among China, India, Lao PDR, Myanmar and Thailand on 22-24 July 2003 in Chiang Rai. The Senior Officials Meeting was held on July 22 – 23, 2003 under the chairmanship of Police Leiutenant General Chidchai Vanasatidya, Secretary-General of the Narcotics Control Board prior to the Ministerial Meeting and was attended by the senior officials working on drug control of China, India, Lao PDR, Myanmar and Thailand.

The Ministerial Meeting on 24 July 2003 was chaired by H.E. Mr. Phongthep Thepkanjana, Minister of Justice and was attended by H.E. Mr.Luo Feng, Vice Commissioner of National Narcotics Control Commission (NNCC), and Vice Minister to the Ministry of Public Security, China, H.E. Mr. Shri I.D. Swami, Minister of State for Home Affairs, India, H.E. Mr. Soubanh Srithirath, Minister to the President’s Office and Chariman of the Lao National Commission for Drug Control and Supervision, Lao PDR and H.E. Colonel Tin Hlaing, Minister of Ministry of Home Affairs, and Chairman of Central Committee for drug Abuse Control (CCDAC) of Myanmar.

As a matter of fact, Thailand has been attempting to restore Golden Triangle Plateau, Thailand - Lao PDR - Myanmar remote border rims where most of the world's opium is harvested and processed, to be freed from drugs since the past decade. In 1992, Thailand had hosted the first meeting of Thailand/Lao PDR/Myanmar Cooperation on Drugs Control to established an embarkation on mutual cooperation among competent authorities of three most neigboured counties that share their borders adjacent to the above mentioned area. Nevertheless, Thailand had invited China to be an alliance as to strengthen and broaden the coverage on mutual drugs control operation to this sub-region, the first meeting of Thailand, Myanmar, Lao PDR, and China Cooperation on Drug Control has been convened in 2001.