ETC CASING SCREW JOINT 제품명 CASING SCREW JOINT 규격 작업내용 CASING SCREW JOINT MANUFACTURE 목록으로 상세내용 1. Warehousing 2. Rough Lathe Work 3. Q.T. Heat Treatment 4. Fine Lathe Work 5. Hole & Tap Hole Boring Work 6. Key Hole Slotter Work 7. Rust control, Painting, and Packaging