NATO codenamed SA-2 "Sam -2", is a Soviet-era development of a surface-to-air missile system. It is composed of missile launchers, radar units and command vehicles, and is mainly used to deal with aerial targets such as bombers, fighter jets and reconnaissance aircraft. With a maximum range of about 45 miles and up to 100000 feet, the missile is equipped with a high-explosive warhead that causes significant damage to its target. It is known for its excellent range and altitude performance. It was widely deployed during the Cold War and used in multiple conflicts, including the famous downing of a U-2 spy plane. Despite more advanced missiles, S-75 are still considered valuable in modern conflicts.

PM, abbreviated as PM, is a semi-automatic handgun designed by Nikolai Makarov during the Soviet era. It was used as a standard handgun by the Soviet military from 1951 to 1991. Known for its simple structure, small size, light weight, and easy portability, the gun has a total length of 160 millimeters, a barrel length of 91 millimeters, a weight of 663 grams without a magazine, and a magazine capacity of 8 rounds. Adopting a free bolt automatic mode, the firing mechanism is a hammer rotating type, a double action firing mechanism, and equipped with manual safety. However, it also has some drawbacks, such as insufficient lethality and small magazine capacity.

The industrial buildings of the Soviet era were an important symbol of the Soviet industrialization process, with large conventional models and sturdy structures, reflecting the Soviet era's emphasis on industrial production and national power. Between 1950 and 1957, the Soviet Union supported China's so-called "156 technology transfer projects", which involved the construction of large capital intensive factories in the heavy industry sector, the transfer of advanced machinery and equipment from the Soviet Union, and the provision of technical assistance and knowledge dissemination. The design and construction of the building reflected the political and economic background of the time, and it was widely present in the Soviet Union and countries within its sphere of influence, becoming a symbol of industrialization and modernization during that era

Agat18 is a classic analog camera from the Soviet era. This camera was launched by Belarusian company BeloMO in 1969 and became one of the most popular portable cameras in the Soviet Union at that time. Easy to operate, suitable for beginners and enthusiasts. It is equipped with an optical viewfinder and metering device to help users achieve accurate exposure control. The camera also has multiple exposure and long exposure functions, allowing photographers to achieve creative shooting. It is an old-fashioned camera, but it is still loved by many photography enthusiasts. Not only does it have reliable quality and excellent imaging effects, but it also has a strong retro style

The FED3 camera is a classic camera from the Soviet era, produced by the famous Soviet camera manufacturer FED (Seius, Ukraine). It is the third generation product of the FED camera series, which was introduced in the early 1950s. Although the manufacturing process and materials of FED3 cameras are relatively simple, their reliability and durability are highly praised. It was widely used in fields such as documentary photography, street photography, and travel photography, becoming one of the preferred cameras for photographers during the Soviet era. It represents a part of the history of the Soviet photography industry and is also a classic beloved by photography enthusiasts and collectors.