Groove Tube concrete manifestation of an easy to operate, convenient connections comparison, relatively little room for maneuver needed to lay the foundation for future inspection and maintenance. 2, when the pipe in need of repair or replacement, you only need to loosen the clamp does not require the use of some of the major tools. 3, no destruction of the surrounding wall, reducing the construction time. 4, does not require the use of large tools, a great saving maintenance time and saves time. For more information about Groove Tube production, operation process please concern Weifang Grand Pipe Fittings Co., Ltd. http://www.xlgoucaoguanjian.com