Small holes and cracks such as paint can not make peace, in line with national standards required repair putty smooth interior wall to get smooth and soft surface.
细小的孔洞及裂缝如涂料不能补平，需用符合国家标准的内墙腻子修补平整，以获得平滑细致的表面。
2
Glass protective film machine is used to lay film on surface of glass. It is widely used for coating glass line and for glass of curtain wall.