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 material select SUS304 , SUS316 or SUS316L. 4)Length: 150mm--2000mm, Or product according to customer's request.