1)Flexibility is good , corrosion-resistant, have long performance life, use safer, Able to bear high low-temperature Features:1)Flexibility is good , corrosion-resistant, have long performance life, use safer, Able to bear high low-temperature, it is convenient to install, Export to Europe.2)The hose suitable for gas , petroleum liquefied gas ,natural gas , marsh gas etc. 3)Corrugation hose ...