On June 30, 2020, in Zhitomir (Ukraine), there was an official delivery ceremony of the first batch (5 units) of trolleybuses model 321 manufactured by BKM Holding.
According to the technical requirements of the “Zhitomir Tram and Trolleybus Company” Communal Enterprise, all trolleybuses have a 100%-low floor, air conditioning system in driver and passenger compartments, USB sockets are installed on the sidewalls of the compartment. The passenger capacity of the trolleybus is 101 people, the number of seats – 26.
The contract for the supply of 49 trolleybuses 321 model 12-meter two-axle trolleybuses for Zhytomyr was signed on October 3, 2019 as part of the Forum of Regions of Belarus and Ukraine. The project is supported by the European Bank for Reconstruction and Development.