EXHIBITION & EVENT DEPT
Exhibition located 1: ICE – 91 Tran Hung Dao Str., Dist Hoan Kiem, Hanoi City, Vietnam
Exhibition located 2: SECC – 799 Nguyen Van Linh Str., Dist 7, Ho Chi Minh City, Vietnam
Cellphone/Whatsapp : (84) 382028396
Email: optica@exevent.com.vn