Hello Fan Wenhua. Ms. Fan Wenhua founded the Fan Wenhua brand in 1988 and has been focusing on facial care for 35 years. Now it has developed into a professional, large-scale and modern national chain operation enterprise integrating product research and development, production, chain franchise and education services. 5000 Leading every store, it has obtained 33 patents and more than 20 industry heavyweight awards so far. Pechoin has fewer patents.