... tolerance can achieve 0.01mm 3.High quality! Cnc machine parts/ high quality!Specificationsmachine part Material: brass, copper, ... bronze, stainless steel, carbon steel, etc ISO9001 2008 quality controlmachine part1. Material: brass, copper, bronze, stainless steel, ... assembly service.4. ISO9001 2008 quality control5. Strong engineering team makes high quality; own test equipments and 100% ...