... selling point:1. Foamed PVC board, has a sound insulation, sound-absorbing, thermal insulation, heat preservation, such as performance. ... , moistureproof mouldproof anticorrosive, acid and alkali resistant, sound-absorbing, sound insulation insulation flame retardant (can not easily from ... , sticks and so on processing, but also has wooden plank cannot have characteristics, such as: hot bonding, ...