QINHUANGDAO TONGYANG INTERNATIOANL TRADE CO., LTD is a company dedicated to supplying magnetic cores to all over the world, Our products include silicon cores, amorphous and nanocrystaline cores,nano powder cores, ferrite cores, permalloy cores etc.

As we have more than 15 years of experience and have rich knowledge about magnetic cores, we have close cooperative relationship with well known manufacturers across China, we can quickly select what you need.

Our products are widely used in power transformers, current transformers, common mode chokes, energy storage chokes, EMI Filtration, smoothing chokes etc.
We have our own QC people to inspect products online to stop any defective products flow to our customers