1, the research and development cost is high, and the research and development of test paper reagents needs to invest a lot of time, money and manpower. From the screening of raw materials to the synthesis of the final product, every link needs to consume a lot of energy and cost.
2. The manufacturing cost is very high. Most reagents are manufactured in a highly specialized laboratory environment. The manufacture of reagents requires sophisticated instruments and equipment, and the maintenance, update and operation of these instruments and equipment require high expenses.