... CARB,ISO9000,CE Changrong Series MDF advantages: 1) the internal structure of even moderate density, good dimensional stability, deformation ... /m3, high-density 800 kgs/m3. 2) bending strength, internal bond strength, elastic modulus, surface plates and screws holding board edge ... covering outside covered plasticbags,then use steel tape to strength. contact us:Clients requires come first! Select us ...