Weiss OEM suppliers are selected according to various criteria. Among other things, they must be certified to ISO 9001 and ISO 14001. Using certified suppliers ensures that production is in order, that raw materials (radioactive, otherwise contaminated, different contents) and production are controlled.

The casting is tested with a spectrometer twice before it is released. What is the distance from the casting to the model? Is cooling under control? Post-processing, etc.

In addition to the chemical composition, mechanical durability is extremely important. DIN-compliant materials are used, so the tensile strength and working temperature range are strictly defined.