Hanbell Dry Screw Vacuum Pump; As a key component of vacuum systems, dry vacuum pump plays a major role of process quality factors, even in clean or harsh vacuum applications. HANBELL dry vacuum pumps can provide customer a high quality vacuum environment, and also can reduce the system setup capital and maintenance cost. HANBELL Vacuum Technology is expertise of screw technology. the main products of HANBELL, Air Compressor Filter, Industrial Pumps, Vacuum Pumps ...