Shandong Telecom Seventh Factory Co., Ltd. has been committed to the research, development, and production of oscillopolarometers, children's development evaluation systems, children's intelligence and attention testing instruments, traditional Chinese medicine constitution identification instruments, trace element analysis instruments, blood lead, urine lead, and heavy metal detection instruments, ultrasonic height and weight measurement instruments, intelligent infant and toddler detection instruments, and other instruments for more than 30 years. It has been named a high-tech enterprise by Shandong Province. Our company's chief engineer enjoys special government allowances from the State Council. The company participated in the drafting of the national calibration regulations, national standards, and industry standards for the potentiometric dissolution analyzer. It is the first domestic manufacturer to use dissolution analysis technology as a commercial instrument for detecting trace elements and blood lead in the human body. The MP-2 dissolution analyzer is designed and produced in accordance with the technical requirements of the national metrological verification regulations. 30 years of research and innovation, validated by over 5000 users, ensure the reliable quality of our products. Numerous authoritative institutions in China have recommended instruments that have maintained a domestic reputation for 20 consecutive years!