長期以來，埋在建築物內或建築物下的管道由於地震、溫度變化、土壤鬆散和外荷載等外界因素的影響而不穩定、開裂或下沉，

導致管道彎曲、扭曲偏心或鬆動。

適用於下水道、工業用水、農業用水、電力、電信、石油管道和工廠管道等設備的應用。

For a long time, pipes buried in or under buildings have been unstable, cracked or sinking due to external factors such as earthquake, temperature changes,

loose soil and external loads, which lead to pipe bending, distortion eccentricity or loosening.

It is suitable for the application of equipment such as sewers, industrial water, agricultural water, electrical, telecommunications, oil pipelines and plant pipes.