... with UV resistantance and antiflaming performance.9) Bend times: 2010) Length: 20m/coil, 30mcoil, 50m/coil, 100m/coil, can be ... ' individualized demands; flexible gas line can be buried in the wall, hidden spread, installed brightly and many kinds of ... simple routing through complex building structures and designs.4) Safety:the length is optional unprecedented, middle part of pipe body has notfetched, ...