This says both (and then some)
http://www.pos.cz/htm/en_profil_spolecnosti.htm
Joint stock company Poličské strojírny:
Develops, manufactures, sells and maintains the products in the field of:
Pneumatically controlled door systems for transport means (MPS™)
Pneumatic systems for control and automation applications (PneuS™)
Liquid measuring and pumping equipment (HEFA™)
Its section ORDERS ensures the supply of engineering products, parts and assemblies, in particular for automotive industry
Its plant Ammunition and Blasting Equipment (MTT) develops, manufactures, sells, delaborates and environmentally friendly liquidates weapons, ammunition and explosives
Its Special Technology Institute (OIST) ensures the training of persons involved in the manufacturing and processing of explosives, explosives experts, firework firers, blasters and fire protection personnel
Nothing unusual these days to have a major company have it's corporate fingers in many pies. Heck, look at Bosch!
