Four levels: Principal, First, Second, Third. Commonly used for one, two, three and so on
partition panel, the board formed by drilling a variety of patterns, the surface spraying a variety of coatings, decorative effect is better
Fibreboard: According to bulk density is divided into hard fiber board, semi-rigid fiberboard and soft fiber board 3 kinds. Hard fiber board is mainly used for the ceiling,
Quality grade for the premium, one, two, three a total of four, the indicator is similar to the MDF, but the intensity is much higher than the MDF
Hard fiber board is also a density board, but its density is above 0.80g / cm3. Divided into one side of the light, the other side of the textured side of the hard fiber board and two-sided hard fiber board two.
