... on the face, forehead, the joints and striae gravidarum;4. Dispel freckle, nevus zygomaticus and other spots formed by hyperchromic ... , triangle, right square, rectangle, hexagon, rotundity, ellipse and so onSpots Interval0.1mm-2.6mm, every stepping 0.1mmPattern ... The quality is our priority” as fundamental principle, “Science and technology innovation, serving honestly” as target of operation, “ ...