Stadler Rail, Казахстан, КТЖ, Нурлан Сауранбаев, Максат Калиакпаров, пассажирские вагоны, министерство транспорта, железнодорожный транспорт, поставка вагонов, технические замечания

Pilot operation of passenger carriages manufactured by Stadler Rail has revealed technical issues, which has delayed their introduction on routes. The carriages will be put into service after the faults have been rectified.