... specializing in manufacturing all kinds of precision machinery parts.1. All kinds of surfaces treatment are available2. Your ... your requirements.3. Edges & holes deburred,surfaces free of scratches.4. Most advanced test equipments to ensure ... shafts),gears (pinions, wheels ) bearing, bearing seat, spring, connector, socket, bushing, push-button, etc.Surface Finishannealing, natural anodization, heat ...