... , milling, griding, turning --Material: stainless steel stainless steel process pipe elbow --Type:broaching, drilling, etching, milling, griding, ... materials Stainless steel:303/304/316/412/etc Process technologyCasting, Machining, Metalworking, Sheet Metal Bending, Surface ... coating, E-coating etcQuality controlProfessional precision manufacture1.Quality control:The defective products rate is 0.1%.2. ...