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It’s used for ultra purity piping with the seamless tube, can be used less dangerous equipment on toxicity or pollution. Our UHP tubes are being widely used for industry of semiconductor wafer process and medical instrument which is requiring the most purity. We are expanding our production capacity to meet the growing demands in the market, in quality; high purity tubes for semiconductor wafer facilities line are maintained at a Ra o.4 micron or less internal surface polishing level after BA heat treatment.