Tunnelbuilder would like to welcome Eternal Metal as the latest advertiser on our websites. Eternal Metal are builders of products for the tunnelling and mining industries, their main products include TBM shields and raise boring equipment. These are produced in their large manufacturing facility in China, currently the largest cutterhead they can produce is 14 meters. They are used and recommended by many international tunnelling companies from throughout the world. For more information please visit their website  http://www.eternalmetal.com/eng/index.asp or contact them via email by clicking here. 30/16