Dear SirsShinhwa E&s Co., Ltd is a the Export Company for Contact Lenses from ChinaOur Factory is in China but the technical Engineers and inspectors are Korean. We can guarantee the best quality for productThe product&＃39;s life time is 1 year.Minimum Order&＃39;s Q&＃39;ty is 50 sets per each item The factory has designed over 140 kind&＃39;s color printing We can supply buyer&＃39;s own design product by OEMWe can offer the best price conditionLooking forward your kind interesting to our productb. rgds,Charley HS Choi