We are Yikang Electronic Technology Co; Ltd. Brand is KDS

At present, we don;t have any agent or distributor. We are only Yikang

Any similar quantum resonance mangetic analyzer or company do not common with us, also not our brand

So if anyone bought from us, we will help for afte-sales, could offer us the warranty card and device picture

If not, please confirm if you bought from us first.

We have complete customers manage system, only with customers' name and email, we could check if you bought from us.