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Internal news

Production of fountain-style fireworks at Factory Z121

21 Chemical One Member Company Limited (Factory Z121, under the General Department of Defense Industry) is the only facility in Vietnam authorized to manufacture fireworks. In recent years, fountain-style fireworks—including pellet fountains, flower fountains, and blinking pellet fountains—have been highly favored by the market, becoming Factory Z121’s key consumer fireworks products (non-explosive).

In 2024, Factory Z121 produced 6 million fountain fireworks, which was still insufficient to meet market demand. Therefore, in 2025, the factory aims to increase output to approximately 10 million units.

The production of these products follows a strict process in terms of both technical requirements and safety, comprising the main stages: preparing the firework racks; assembling fuses into the racks; applying fire-resistant adhesive and drying the racks; producing color pellets; final assembly of the racks; and test firing, among others.

Workers assembling fuses into firework racks using automated machines. The racks are made from a mixture of paper pulp and cassava starch, which is water-soluble and therefore does not create environmentally polluting waste.

Applying fire-resistant adhesive to the firework racks after the fuses have been assembled.

Color pellet production stage. When fireworks are ignited, different types of color pellets create different lighting effects.

Loading color pellets into the firework racks.

Finalizing the finished product.

Source: People’s Army Newspaper

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