Research in vitro diagnostic reagents and biological products, health food, medical equipment. Research, development, sales of food testing instruments and equipment, software development, technical services. Production: in vitro diagnostic reagents (set up another branch production). Wholesale and retail trade (except for state-exclusive-control goods). Sales: proprietary Chinese medicines, commonly used chemical preparations (with a license). Technical consulting services. Medical testing, pathology examination (operated by branch offices). Import and export of goods (except for items prohibited by laws and regulations; items restricted by laws and regulations shall be operated only after obtaining a license).