... 220V/110V 50/60Hz CW-3000 water cooler systems is developed and produced by S&A company of China. CW-3000 ... vacuum pumps, rotary evaporators. CW-3000 recirculating cooler mainly contains water tank, circulating pump, heat exchanger, fan and other control parts ... chiller features: 1. Radiating capacity: 50W / ℃; 2. Small thermolysis water cooler, energy saving, long working life and simple operation; 3 ...