It is a heat pump electric air conditioning compressor with vapor injection port, with increased heating efficiency for use in electric cars, trucks and other EVs in cold winter days. HP34A350 model is an environmentally friendly heat pump electric compressor that is specially designed for the vehicles of low and medium temperature. It has the features of low noise, low vibration, small size, high power efficiency, high starting current and excellent controllability. The biggest advantage is that it can significantly reduce the energy consumption. Guchen Electric Compressor has the advantages of high efficiency, energy saving, long life span and reliable start characteristics which provide a guarantee for the improved compression service life and reduced operating costs for customers. URL: www.guchen-eac.com/what/high-voltage-electric-compressor/dc350v-electric-heat-pump-compressor.html Email address: shao@guchen.com