1. The raw materials from all over the world are select elaborately. All indexes are strictly tested by IQC to ensure the quality of each batch of raw materials.
2. All components are separately manufactured by us. The strict selection of quality inspectors ensures the excellent quality of products before and after battery vent valve assembly.
3. The opening and closing pressure of battery vent plug can be designed upon the customer’s request.
4. All assembled EFB battery vent plugs are strictly checked by OQC to ensure the quality of products delivered.