Quality and Process Control

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When aiming at top quality, there can be no insignificant ‘details’ or trade-offs. To create Your perfect window, we guarantee that every detail—even the tiniest one—conforms to the strictest quality requirements, and every operation is performed with the highest precision. Langų Gama Ltd implements especially strict quality control in every process of production.

  • The Langų Gama Ltd quality management system complies with LST standards.


  • Furthermore, we have also implemented additional internal quality standards, guaranteeing extensive quality control—more than it is require by common international norms.


  • We use only organic wood grown in forestry farms that follow and implement principles of sustainable development.


  • We use fixtures produced by renowned German manufacturers— aluminium profiles from Gutmann, Roto Hardware, gaskets from Schlegel Q-Lon, window handles from Hoppe—and glass from French manufacturer Saint-Gobain.


  • We also utilise Nordic lacquer coating methods to ensure excellent resistance to severe climate conditions.


  • Moreover, we provide innovative structural and technological solutions.


  • All of the manufacturing processes comply with the environmental requirements of the European Union. We do not use any substances that are harmful to the environment or health at work and ensure the recycling of any by-products composed during production.


  • Lastly, we provide in-service training for our employees and regularly organise training sessions. Our experts and specialists possess top-class international certificates.