... pipe roller, stainless steel pipe mould for round/square/shaped tube.2. Precise with only 0.05mm tolerance. 3. With CNC machine. ... quality tool steel Cr12mov as raw materials, mouild steel Cr12mov material set high wear resistance, toughness, resistance to high pressure, high hardness, ... provider of technology per crown. CNC machining of Japan, high precise; 10 years experience in RD, the fingerprints, ...