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Danyang Dayao Optical Co., Ltd. Danyang dayao optical mainly produces CR -39 sunglasses lens, polarized lens. Strictly conducts ISO 9001 whole processing and quality control. Detailed record has been taken of various production data, and regression analysis made to obtained data. Has the strict quality testing department, the quality can meet the domestic and international markets in Australia, Europe and the United States. Delivery on time. About 10 year's development, it has got a good reputation in the industry. Stable quality and good service bring excellent results from our customers who give us the energy and desire to move ahead. All staff of dayao optical sincerely look forward to your visit! ||Less|||||| |公司档案