1) Ion exchange process for the production of potassium carbonate potassium bicarbonate low-concentration ammonia-containing wastewater comprehensive treatment; 
2) Production process of continuous ion exchange of two-phase fluid to produce potassium carbonate potassium bicarbonate; 
3) Comprehensive utilization and research of potassium-containing waste residue resources in medicine, pesticide and chemical industry; 
4) Introduction, digestion and absorption of ion exchange method energy saving and consumption reduction new technology, new method and new equipment; 
5) Development and research of fine chemicals; 
6) Development and research of veterinary APIs; 
8, Parallel institutions of research and development center 

1) Zhejiang Dahua Zhejiang University Biopharmaceutical Research and Development Center 
2) Zhejiang Dayang Biotech Group Co., Ltd. R&D Center; 
3) Dayang Nanomaterials Provincial High-tech R&D Center 
4) Zhejiang Dayang Biotech Group Co., Ltd. Technological Center
5) Zhejiang Dayang Technology Potassium Salt Enterprise Research Institute