... process applicability and high efficiency process (turning, boring and milling, grinding). All kinds of metal and alloy work-pieces ... external cylindrical surface, step, various rotary curved surface, and milling surface, boring hole, drilling, tapping and threading, etc. ... Production Flow: 1.Baiting 2.Machining 3.Grinding 4.Milling 5.Boring 6.Assembly and Debugging Certification: Certified Picture ...