... etching, milling, griding, turning --Material: stainless steel semi-finished steel product --Type:broaching, drilling, etching, milling, ... griding, turning--Material: stainless steel Material semi-finished steel productTolerance/precision0.01~0.002mmProduct materials Stainless ... coating, E-coating etcQuality controlProfessional precision manufacture1.Quality control:The defective products rate is 0 ...