PC Board

  • 2019 New Style China FDA Bamboo Cutting Board Bamboo Chopping Board with 4 PCS

    2019 New Style China FDA Bamboo Cutting Board Bamboo Chopping Board with 4 PCS

    The sound barrier is mainly composed of a steel structure column and a sound-absorbing and sound insulation board. The column is the main force-bearing component of the sound barrier. It is fixed on the road collision wall or the embedded steel plate beside the track by bolts or welding. The sound-absorbing board is the main sound-insulating and sound-absorbing component, which is fixed in the H-shaped column slot by high-strength spring clips to form a sound barrier.