The Sungri General Motor Enterprise manufactured a heavy-duty truck, a semi-trailer and a tractor trailer suited to the specific conditions of the country.

The technicians and skilled workers of the Rakwon General Machine Enterprise developed an all-purpose shoveler by designing Korean-style reasonable hydraulic system and circuit. And it has pushed ahead with the manufacture of a hydraulic crane car.

The Songchongang Electric Appliances Factory produced various kinds of motors that proved much more efficient than the past.

Ryangchaek and Pyongyang bearing factories increased the number of kinds of bearings by ten.

A research group under the Ministry of Machine-building Industry developed new lawn mower and wheat and barley peeler and the Kusong Machine Tool Factory made headway in producing a precision lathe with less power consumption.