Аналитическая карточка нити: УПР СМТ № 18 ОАО___

This firm is a state-owned enterprise called УПР ОАО СМТ № 18, specializing in the production and sale of bricks, blocks, and gas silicate blocks. The company's full name with abbreviations is not provided in the data, but it can be inferred that it is located in the Soviet district of a city in Belarus, possibly Vitsebsjk based on the context of the other entries in the catalog. The company's name can be found on various business directories and catalogs, including the website b-info.by. There is no further information available about the company's history, management, or specific product offerings beyond the mentioned building materials.