How to extend ferrite core warranty?

If you'd like to extend the guarantee period of ferrite core, please consult with our Customer Service Department for information. The protracted warranty period is that the warranty coverage that's initiated following the normal warranty period has expired. It's essential to be aware you could opt to obtain this guarantee prior to the manufacturer's warranty expires.

Guangzhou Tongyang Electronics Co., Ltd. receives its high reputation due to toroidal core. ec ferrite core series manufactured by Tongyang Electronics include multiple types. And the products shown below belong to this type. Some necessary tests have been conducted on Tongyang mnzn ferrite. These tests are strength testing, durability testing, shock resistance testing, structural stability testing, material&surface testing, and contaminants & harmful substances testing. It has improved surface after grinding process. As an experienced manufacturer, Tongyang Electronics has always been committed to improving quality of eel bobbin. It has improved surface after grinding process.

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