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Patented technology, fast connection pipe, look for cooperation. The patented technology created by the tube (three links, valves, etc.) for the two-tier structure, its outer layer made from rigid materials, lining from rubber, plastics and other materials to a certain extent of flexibility made. With all kinds of hardware can be connected. The province, simply insert the tube pipe, tightening the nut on the pipe to prevent leakage. The need to live, flange. Release the joints on the nut can be removed for maintenance transformation. Low cost, only the aluminum-plastic pipe of a quarter. To ensure clean and hardness. Particularly well suited to steel pipe, steel-plastic tubes, aluminum-plastic tube connected. If you are interested, please give me messages.