DLRR is certified to following standards:

ISO 9001

ISO 3834-2 – quality requirements for fusion welding of metallic materials

EN15085-2CL1 – quality requirements for welding of railway products.

To control quality of our production we perfom:

  • NDT inspection  (magnetic particle inspection, ultrasonic, X-ray)
  • Hydrostatic testing
  • Testing of hydraulics
  • Weighing

Our express laboratory allows to control chemical composition of a casting according to technical requirements and get a quality product.

Our Quality Department controls, tests and keeps records on all stages of production process : handling of orders , handling and approval of drawings and changes in drawings, purchasing, evaluation of suppliers, quality control, handling of non-conformities, performing of internal audits, control of measuring equipment, maintenance of equipment, storage, packing and marking of goods, transportation of goods.