... conditioning, etc.3. Main products: O-Ring.X-Ring V-Ring.R-Ring. Y-Ring.U-Ring., Oil Seal,PU ... Optical Projector.Production Equipments Rubber Preforming Machine, Rubber Injection Machine, Rubber Compression Molding Machine, Rubber Extrusion Machine, Cryogenic Deflashing Machine, CNC lathe, CNC CenterTesting Equipments ... Thickness Meter, Shore-A Hardness Tester, Optical Projector nr rubber edge strip