金达威：收到1件发明专利证书

Core Viewpoint - Kingdawei (002626.SZ) has recently received a patent certificate from the National Intellectual Property Administration for a method and device for the preparation of 7-dehydrocholesterol and vitamin D3 [1] Group 1 - The patent pertains to an innovative preparation method for 7-dehydrocholesterol and vitamin D3, which may enhance the company's product offerings and competitive edge in the market [1]