1.material:rubber 2. with certificate according to-EN599,BS3212,DVGW Cixi xingcheng gas tackles co.,ltd, located in Cixi, ... LPG regulators for 23 years, We regard the quality as our life and the credit as our principle. With advanced process, ... company will make a great progress in the near future under the principle of credit, efficiency, strict quality ... :6.3MM 8MM 10/11MM rubber hose for lpg gas