people the pneumatic diaphragm pump is driven by a high-pressure air compressor, and there is no need for electricity. the air pressure is 2 kg and runs smoothly. 1 cost-saving one diaphragm pump can replace 5 manual labor, greatly saving employment costs, low failure rate, strict inspection of each process, tight coordination of parts, low failure rate, standard accessories, cnc precision processing of all accessories, ensuring more uniformity of accessories 30 moon