These are: German Warman, Zixin handheld NBUVB, and Shanghai Sigma and Jinxing ZZ-2.
Shanghai Sigma and Jinxing ZZ-2 are relatively credible.
Take ZZ-2, for example: it is the only access to the domestic Food and Drug Administration licensed, can be used at home dermatological treatment products and equipment. Another product three certificates, a medical product of the three certificates must be complete, this is the first step. Sales of products, there must be a medical device license, to the local Drug Administration for. No three certificates are not called medical devices. For example: imported Philips lamps, does it come with three certificates? Is it possible to check the three certificates of its products? It is worthwhile for the relevant departments to verify.
Relatively speaking, Shanghai Sigma and Jinxing brand ZZ-2, the product three certificates are complete, and the lamp service life is longer, the normal service life of Shanghai Sigma lamp is 500 hours, Jinxing brand ZZ-2 normal service life is 1000 hours.
Shanghai Sigma currently sells well in the market price is estimated at about 3000 yuan. Jinxing brand UV has been sold in the market for more than 8 years, reflecting good. The price is estimated to be around 600 yuan.
Now there are many false advertisements, not enough to believe, buy things must choose the company's three certificates, product three certificates complete items to buy, especially in medical equipment. Tel:0416-2652721