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Brief introduction of Constance

The production and research area is more than 5,8 square meters, and more than 8 kinds of MC38 Cosmetic Contact Lenses products are designed and developed. The marketing system covers more than 2 provinces, municipalities, autonomous regions and Southeast Asia. The company applied for more than 2 registered trademarks, among which "Kangshida" trademark was recognized as "Gansu Famous Trademark" and is now being recognized as "China Famous Trademark". The listed "Dr. Kang", "Sassoon" and "Enoch" have been recognized by consumers.

since its establishment, the company has adhered to the road of Industry-University-Research's combined development, and has worked together with the Institute of Physical Chemistry of Chinese Academy of Sciences and Lanzhou University to research and develop high-tech contact lens products, and successfully applied for 26 patents, including 6 authorized utility model patents and 2 invention patents that have entered the actual trial stage. In 211, it was recognized as a high-tech enterprise and is currently being certified as a "national high-tech enterprise".

The company has four subsidiaries: Beijing Datang Dingshi Glasses Care Products Co., Ltd., Beijing Kangshida Trade Co., Ltd., Baiyin Shunda Glasses Co., Ltd. and Gansu Kangshida Department Store Co., Ltd.