The pressure-increase vacuum drying plant is researched and developed by Kaixuan Vacuum as per the patent technology from PC PROJECT-CONSULT GmbH,Germany, It is mainly used for drying under vacuum state the oil-immersed transformer, CTPT (current transformer and phase voltage transformer), capacitor, high-voltage bushing, etc. It is a professional plant with high-efficiency and energy-saving.

The KD-series pressure-increase vacuum drying plant from Kaixuan Vacuum is National Torch Plan Project which is approved by Ministry of Science and Technology, it won the Advancement Award from Science and Technology of China and Award for Provincial Key New Product, and it is approved by both CE and TUV in 2012.