1. Installation of door or window: to fill the gap between door/window and wall,to seal, to fix and bond.
2 Sound insulation: to fill the gaps of sound lab/broadcasting studio.
3.Ordinary maintenance: repair of holes, gaps, wall bricks, ground tiles and floor; the sound insulation, thermal insulation, heat preservation and padding in automobile industry.
4. Waterproof and leaks caulking: the mend of tap water pipeline/sewer.
5. Packing: conveniently and promptly pack the things which are precious and fragile, saving time, anti-seismic and resisting compression.