located in Hefei, the city of science and technology in China. HS focused on various high-pressure and ultra-high-pressure products and pipeline system integration solutions for special fluids. The ultra-high pressure hydrogen energy pipeline developed by HS has become the first enterprise in China that can produce hydrogen energy polymer pipeline. We participate in the 8th " Science and Technology Project Exhibition" in Hefei on behalf of the University of Science and Technology of China, and the "CHINA Innovation Week" organized by the State Council and the Ministry of Science and Technology.