There is no maintenance, ACCORDING to China, there is no trigger for breathing, there are many research protocols, there is no localizer.The matrix is 256, although other low-voltage devices already have 512.Some promises from representatives to finalize everything.After the end of the warranty period, they do not respond at all.And you can forget about the promises of updates.The coil is buggy periodically, the coil is turned off in time, frequent failures of unknown origin.I do not recommend this company and its MRI machines.MRI BTI-035