The door seam is well sealed, the processing precision is high, and it has two functions of fire prevention and sound insulation. Use places for soundproof fire doors: shopping malls, theaters, KTV, conference rooms and other places.

https://ztfiredoor.com/22465.html

ọkụ ọnụ ụzọ gasket akara,ọkụ ụzọ ọpụpụ ọkụ,gluu ọnụ ụzọ ọkụ,fire internal doors interior,hidden fire rated door,ọkụ ọnụ ụzọ gasket akara,mkpọchi ụzọ ọpụpụ ọkụ,ọkụ ụzọ ọpụpụ ọkụ,ọnụ ụzọ na-amị amị ọkụ,fire internal doors interior,ọnụ ụzọ okuku ọkụ,ọkụ ọnụ ụzọ gasket akara,ebuli ọnụ ụzọ na-eguzogide ọkụ,ọkụ ụzọ ọpụpụ ọkụ,ọnụ ụzọ ọnụ ụzọ ọkụ ọkụ,fire internal doors interior