304 Stainless Steel Elbow 90 Degree Sanitary Welding Pipe Connection Fittings polish inside show
304 Stainless Steel Elbow 90 Degree Sanitary Welding Pipe Connection Fittings polish inside show ,Our advanced mechanical + electrolytic polishing process guarantees **internal surface roughness below 0.5μm** (compared to the 3A standard requirement of ≤0.8μm).
- Attached are [videos/photos] demonstrating our polishing results and production workflow.
304 Stainless Steel Elbow 90 Degree Sanitary Welding Pipe Connection Fittings polish inside show