Pharmaceutical Industry is an important part of our national economy, is a traditional industry and modern industry, combining industry, its main categories include: chemical raw materials and preparations, Chinese herbal medicine, Chinese medicine Pieces, proprietary Chinese medicines, antibiotics, biological products, chemical and biological medicines, radioactive drugs, medical equipment, sanitation materials, pharmaceutical machinery, pharmaceutical packaging and pharmaceutical business, a diaphragm pump is used mainly for transporting and circulating medium, in the pharmaceutical industry is also widely used diaphragm, diaphragm mainly in the pharmaceutical industry for transporting solvents, acids, alkalis, plant extracts liquid, ointment. Plasma and other types of drugs feed solution.