Pumps that last At COSMOSTAR we provide durable pumping solutions for your applications. Every pump is manufactured with your productivity in mind – providing you a more reliable, efficient pump.  With more than 40 years of experience, we are specialized in liquid handling equipment, including pneumatic pump system manufacturers and pneumatic piston pump supplier. Cosmostar pneumatic piston pump are designed to work for the toughest condition. Built-in with variable air motors that generates different pressure ratio for all application.