Starting from 2021, Jiening innovates and launches the world's first fuel cell electronic  5-in-1 and 7-in-1 control units which deeply integrates the fuel cell system control FCU, air compressor control ACU, water pump control WPU, cooling fan control CCU, hydrogen recycle system control HCU, PTC heater control PCU, and DC/DC for fuel cell, and deeply combines the control algorithm of fuel cell system control through big data, AI and in-depth control algorithms of the scenarios, continuously iterating to improve the comprehensive control efficiency of the products (electric stack life and energy conversion rate).