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By certification 
Product description：
Precision Stainless Steel Mechanical Seal
1.Material |
45# steel |
2. Technics |
Machining, milling |
3. MOQ |
500 sets |
4. Surface Treatment |
Polishing or plating |
5. Tolerance |
+/- 0.02mm |
6. Application |
Mechanical sealing |
7. OEM order |
Welcome |
8. Specification |
Custom made |
The seal is made by spring stainless steel.
