this new generation of oil/gas mixture pumps is designed and built to handle media of either in liquid state or gaseous form, and performs simultaneously both functions of a pump and that of a compressor. 3DP has become the latest state of art transfer system for both inland and off shore oil/gas producing operations around the world. with its have high internal compressing power, high throughput, high compression ratio, powerful oil/gas transfer capability and highly effective energy saving characteristics.