China s Downhole Drilling Methods

How to exploit efficiently unconventional hydrocarbon has become an important step to solve the problem of increasing reserve and production of oil & gas in China. Aiming at unconventional oil & gas well e. [pdf]

Fengxian energy-saving screw air compressor products

The main product series include permanent-magnet variable frequency air compressor, oil-free air compressor, two-stage compression screw air compressor, low-pressure screw air compressor, magnetic levitation air compressor, etc. [pdf]