17 May 2018, Bangkok, Thailand – SIMA ASEAN Thailand 2018 (“SIMA ASEAN”), the Southeast Asian agri-business show, is all set to open the doors on 6 June 2018, at IMPACT Exhibition and Convention Center, Bangkok, Thailand. Commenting on the fourth edition of SIMA ASEAN Thailand, Mr. Loy Joon How, General Manager, IMPACT Exhibition Management Co.,