... precision 2.good abrasion resistance 3.high toughness , cnc universal milling machine part Yize mainly engages in design and manufacture ... with EDM ten sets. grinder 15 sets, wire-cutting, CNC, milling machinery.7)product accuracy : diamension tolerance +-0.001mm, ... surface roughness within Ra0.025, straightness within 0.0028)packaging type : Paper of Box9)cooperation customer : China, Western, Japan ...