How about Qingdao Jiehua Bio and Boyite?

Qingdao Jiehua Biology and Boyi are both very good. Jiehua Bio is a high-tech biopharmaceutical multinational company based on R&D and driven by innovation. It has the world's leading biotechnology R&D center in North America and wholly-owned subsidiaries in China, Hongkong, Beijing and Qingdao. The company focuses on the research, development, production and sales of new biological drugs for the treatment of major human diseases, and has developed new biological drugs with independent intellectual property rights-Nova aferon (-Nova Feron), Nova-EPO and Nova-GM-CSF, all of which have obtained patents for new polymer compounds in the United States. Qingdao Boyite Biomaterials Co., Ltd. was established on February 23, 2006, and its business scope includes the production of Class II and Class III medical and health materials and dressings (6864) (the validity of the medical device production license is subject to the license). Research and development of biomaterials, health food and daily chemical products, transfer of technological achievements, technical consulting services, production: industrial chitin, chitosan and its derivatives, import and export of goods and technologies (except for projects prohibited by laws and administrative regulations, and projects restricted by laws and administrative regulations can only be operated after obtaining permission).