ABACA led by Khun Thienchai Chutmongkonkul ABACA Vice President of Academic Affairs,organized a Business Trip to visit the Gemopolis-the industrial park for gems manufacturers on November 25,2006.The group was greeted and wecomed by the management of Gemopolis.Special thanks to Khun Siriporn Banditmaneer at, Au Alumni class 31 to help coordinate the visit.