Damper: 1.the material is plastic and sreel . 2.Free sample,delivery on time, good quality. Damper:1, It's made of steel and plastic outside and precision equipment.2, Applicable to chest, bookcase, and so on.3, Free sample and delivery time.4, Damping buffer, make the cupboard door automatically return, speed smoothly, closing noise-free.5, Using the latest pneumatic sealing technology, avoided ...