The expansion joint rubber strips (organ strip), which are mechanically fastened in the groove of the side beams, can fold, extend or shrink freely when the bridge beams are displaced due to the temperature change, acting as the water- proofing and dust-proofing material.Various specially-shaped PVC, ABS, PE, PP  decorative straps are mainly used in edge seal products in doors and windows,furniture, kitchen cabinet, and so on.