TRI-WALL VINA PACK CO., LTD Hanoi: D1 Street, Yen My II Industrial Park, Yen My Town, Yen My District, Hung Yen Yen (0936 955 505 / Email: ltyen@tri-wallvina.com)  Ho Chi Minh: A-2,4 Road N1-2,Long Duc Industrial Park, Long Thanh, Dong Nai Linh (0904 377 792 / Email: lttlinh@tri-wallvina.com) Mizutani (0902 008 229 / Email: yasushi-mizutani@tri-wall.com)