Zlatoust Machine-Building Plant
| Native name | ОАО «Златоустовский машиностроительный завод» | 
|---|---|
| Company type | Open joint-stock company | 
| Industry | Mechanical engineering | 
| Founded | 1939 | 
| Headquarters | , | 
| Key people | Sergey Antonovich Lemeshevsky, general director | 
| Products | Ballistic missiles, Submarine-launched ballistic missiles, Firearms, Industrial equipment | 
| Parent | Roscosmos | 
| Website | zlatmash | 
The JSC Zlatoust Machine-Building Plant (ZlatMash) is an arms manufacturing plant in Zlatoust, Chelyabinsk Oblast, Russia. It produced many of the Soviet Union's nuclear weapons, including the R-39 Submarine-launched ballistic missile.
The plant was founded in 1939 for the production of small arms. Today, in addition to small arms, it produces industrial equipment and medical supplies.