
Throughout years of exploration, Tongyang Electronics has become a competitive and reliable manufacturer specializing in the design and production of pot ferrite core. The transformer bobbin base series has become a hot product of Tongyang Electronics. edr ferrite core shows excellent performance with edr 3909 ferrite core materials. It has a tight tolerance level both physical and electrical sections. Comparing with other brand suppliers, direct factory price is Tongyang Electronics 's advantage. It has improved surface after grinding process.
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