Shavings wood for Yumen Acoustic be shaped to stretch
lengthwise like fibre woods with dimension are :
width 1-2 mm and length 500 mm.
The bunch element which used is white cement be finished
by alkyd coat with ivory colour.
The painting process using spray system,
until shavings and sponge wood be appear with nature motif.
Type and standard measure of Acoustic Yumen Board which produced are: