天堂在线观看视频无码_av无码免费福利_最好看的最新的中文字幕1_二区三区国产野外无码理论片 亚洲激情在线观看,久久99国产伦子精品免费,99久久国产免费福利,亚洲国产动漫日韩精品一区

Since entry into Unitalen, He has mainly been a chemical patent attorney. He has rich experience in application, review and cancellation of patents; He has dealt with hundreds of patent applications in respect of inorganic compound, organic compound, polymer, biological medicine, cosmetics, etc.. As a patent attorney for many well-known enterprises at home and abroad, He has accumulated rich case experiences, which allows her to offer optimal intellectual property legal services for clients at home and abroad.