These procedures allow the assembly of air conditioners, gas heaters, fans and auto parts (radios, speakers, electric power windows, locks).
For this purpose specialized assembly lines in each product, with travelling bands, tools, devices, test equipment and cabins, according to the product are available.

The materials, parts and supplies are domestic, locally purchased and imported, which must comply with specified quality standards.

In order to guarantee the quality of materials, parts and products, a test, research and quality laboratory is available, allowing dimensional checkings, corrosion resistance tests, aging tests (temperature and humidity), free fall tests, vibration tests, quality assurance for all products, long-life tests. Metrology laboratory for electrical, electronic and dimensional checking instruments gaging.