Ningbo Allko Refrigeration Equipment Co., Ltd. is now Ningbo Aoko Refrigeration Equipment Co., Ltd. was established in March 2004. It is a design and manufacturing enterprise of automotive air conditioning and refrigeration compressors integrating research, development, production and sales.

The company's existing main products:
AK series swash plate compressor: AK22, AK27, AK33, AK38, AK43, AK48, suitable for 5 to 9 meters bus air conditioning;

AK40 series crankshaft compressor: AK40/470, AK40/560, AK40/655 and AK40 series adjustable compressor, etc., suitable for 8.5 meters to 12 meters bus air conditioning. AK40 series adjustable compressor can realize controllable adjustment of displacement, improve air conditioning comfort and reduce power consumption.

Refrigeration dedicated compressor for transportation: including AKF22, AKF27, AKF33, AKF38, AKF40/560 and other compressors.

Electric scroll compressor: AKES series electric scroll compressor, providing corresponding compressor for new energy vehicles.

The company has established a sound modern enterprise management system, through the IS O/TS 16949:2009 quality system certification and the national industrial product production license.