Even though the nuclear pollution is still not yet solved and the economic is still under depression in Japan, the famous Japanese tube supplier still keeps its confidence in the composite pipe technology by Guangzhou Advance-tech Co., Ltd. The Φ110 mm PE/Steel/PE pipe production line especially designed by Guangzhou Advance-tech was dispatched to Japan in December of 2011. This line would produce a kind of PE/Steel/PE pipe for the reconstruction in Japan.

PE/Steel/PE pipe is also called PSP pipe, which has 5 layers. The middle layer is a continuously welded steel pipe, and the inner and outer layers are HDPE. This pipe is widely used in the distribution of gas, oil, and water of fire extinguishing system because of its high impact resistance and creep resistance. This pipe structure is the patented invention by Guangzhou Advance-tech, and it is the newest continuously welding and compositing production process in the world. The reasonable structure, high strength of composition and low cost are the main unique features of this pipe.

Five PE/Steel/PE pipe production lines supplied by Guangzhou Advance-tech in the manufacturing base of Xinxing Ductile Iron Pipes Group have been producing stably for many years, and Xinxing Ductile Iron Pipes Group has become the largest supplier of this kind of pipe in China. Guangzhou Advance-tech and Xinxing Ductile Iron Pipes Group also established the industrial standard for the PE/STELL/PE pipes, and the standard is recognized by the Ministry of Construction. Many countries wish to adopt this pipe technology since then.

This export of PE/STELL/PE composite pipe technology to developed country means the Chinese proprietary intellectual property rights start to integrate with the world.