... advantage compare with the traditional gravity current drainage system. All type and size of pipeline is available, can be use on different ... LifeAccording to different requirement of project, can use different power pipeline(pn3.2, pn4,pn6,pn8,pn10,pn12,pn16,pn20)Less ... flexible, can absorb the noise from pipeline.Anti-Heat, Anti-pressure, Anti-corrosionLess weight, easy for ...