5. The weight is light, easy to flaring, bonding, bending, welding, pipe installation workload is only 1 / 2 to the steel pipes, low labor intensity, short duration;

Share:
5. The weight is light, easy to flaring, bonding, bending, welding, pipe installation workload is only 1 / 2 to the steel pipes, low labor intensity, short duration;
Others news: