Contact UsRecycled Earth Friendly Utility Board And Building ResourceCREATE, BUILD, PROTECT Tunnelcore®CHINA ACTIN PACIFIC HK LTD, 129 Datian Road, 200041 Shanghai,China.AUSTRALIA Suite 3/83 Wellington Street,St Kilda, Melbourne, Victoria, 3182, Australia. TUNNELCORE® DATASHEET PDF Send us a Message Thanks to Jadzia Holcdorf for her contributions towards TunnelCore®.