Power Marked Easy 150/156 Lenses Coming 
   Visit Y&S during Silmo 2017 (20170718)
   Visit Y&S during the 30th China International Optics Fair (20170708)
   Visit Y&S during International Vision Expo East 2017 (20161208)
   Visit Y&S during the 17th China (Shanghai) International Optics Fair (20161118)
   Holiday Arrangement for 2017 Chinese New Year (20160808)
   Visit Y&S during Silmo 2016 (20160708)
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