Nanjing city. By inquiring about the brand official website, Jielengshui Guangzhen, we know that the products of this brand are all produced by Nanjing Jieleng Anti-aging Beauty Co., Ltd. in Nanjing, and the origin is in Nanjing. Gozilan water light needle is mainly used to improve skin tone and skin quality, such as lightening fine lines, shrinking pores and brightening skin tone.