Qianggong Male Treatment Device is currently the only Class III medical device with national approval number for treating male sexual dysfunction in China. It mainly treats male erectile dysfunction, Qianggong treatment device, premature ejaculation, small penis, and prostate diseases. It adopts physical therapy and external treatment without using any drugs. It's safe, the effect of Qianggong Male Treatment Device is remarkable without any side effects, there's no similar product domestically, beware of fakes!