The series products hare well functions in extending, bend, pull, seal, canker resistant and diathermancy, abroad apply for air conditioner and fridger, heat exchanger, chemistry, water supply and gospipe.

• 该系列产品与同规格光管比，具有内、外表面积增大的特点，传热效率提高20-30%25，从而用于家用和大型中央空调。