For the manufacturing process proper, input control and testing of purchased parts and components must be done – parameters must be verified and purchased materials inspected. The same applies for cooperating companies and suppliers. Procedures, scopes and methods are defined in organization directives and corporate standards.

Inter-operational inspection and testing is performed on sub-assemblies and assemblies during and after the manufacturing process according to technological procedures, drawings and corporate standards, in special cases according to procedures approved by the customer in technical conditions (TC).

Procedures and requirements for output inspection and testing are defined in TC, approved and signed by the customer, and apply to all manufactured products. Organization procedures are defined in an appropriate organization directive and they must comply with TC.

Military products undergo the so-called final inspection, performed by the representative of State quality inspection (ZSOJ), and only products that pass the inspection may be released for final shipment.