Steel Wire Wound UHMWPE Composite Pipe
cross helically wound steel wires reinforced ultra-high molecular weight polyethylene composite wear-resistant pipe(SRUP)is a composite pipe formed by taking the ultra-high molecular weight polyethylene (UHMWPE) inner pipe as the matrix,using the high-strength steel wire wrapped with adhesive resin as thereinforcementand the high-strength polyethylene as the protective layer. The matrixreinforcement and protective layer are tightly connected with adhesive resinand are formed by melting composite.
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Abstract According to the China Federation of Logistics and Purchasing, the China Manufacturing Purchasing Managers Index (PMI) rose to 50.8% in May, marking an increase of 0.2 percentage points compared to the previous month. This suggests a continued expansion in the manufacturing sector. Among the key sub-indices, the production index reached 53.3%, up by 0.7 percentage points from April, indicating stronger output activity. The new orders index also improved slightly to 51.8%, reflecting modest growth in demand. Meanwhile, the purchase price index surged by 5.0 percentage points to 45.1%, signaling a rebound in input costs. Out of the 21 surveyed manufacturing industries, 14 reported PMI readings above 50%, highlighting that the majority of sectors are operating steadily. These figures suggest that while the manufacturing sector remains in expansionary territory, there are still challenges, particularly in cost management and demand stability. Overall, the data shows a positive trend, but further monitoring is needed to assess long-term sustainability.