外包膠采用(yong)聚氨酯材(cai)料，具有超強耐(nai)磨和抗脫落(luo)的特性；產品尺寸和軸(zhou)承型號均符合KONE標準。

The circumjacent adhesive is made of polyurethane, which has super resistance to abrasion and peeling. The dimension and bearing model are matched to KONE standard.