[Specification]

[Excellent product] 

Size: 1960x500x125T~3960x500x125T

Instead using sound absorbing materials that are contained within sound insulation plates, it has been improved to a multi players structure with soft membrane to solve problems that traditional sound absorbing material had.

[Company Intorduction]

Since its inception in 1983, Do-a Industrial Co., Ltd. starting with metal structure and window works as a licensed specialized contractor, had steadily grown into a domestic leading contractor in the same line of business it is engaged in capable of construction performance of KW 25.5 Bil in 2017.