Installation of MTWood Decking Board at Đầu Gỗ Cave - Plastic 04 Corporation 
The cave accommodated an audience of about 200 guests, the artists performed with traditional acoustic instruments, such as zithers, monochords, two-string violins and flutes on a wooden stage large enough to hold 40 artists.After the concert, an art programme themed “Friendship Melody” was staged in the Vietnam-Japan cultural palace in Halong city, Quang Ninh province, which was attended by Vietnamese famous artists Quang Tho, Nguyen Ngoc Anh, Minh Quan, Nhat Thuy and Vo Hong Quan.