News

Factory updates, material notes and oil-seal selection guides from Hanchi.

• Foreign Trade Oil Seal Wholesale: Stop Competing on Low Prices — Focus on Low Return Rate and Stable Batch Quality — Low Return Rate and Stable Batch Quality Over Low Prices
• 120x150x7 High Pressure Oil Seal – Specs, Material Selection & Installation Guide — Complete technical guide for the 120x150x7 oil seal: dimensions, FKM/NBR material comparison, installation steps, and failure analysis. Suitable for hydraulic s
• Rotary Shaft Lip Seal Selection & Troubleshooting Guide Solving 80% of Premature Seal Failures — A practical technical guide to rotary shaft lip seal selection, installation, and failure diagnosis — covering materials NBR/FKM/ACM/VMQ/PTFE, step by step proc