ZWEIBEL is the leading manufacturer of weights and precision masses. COFRAC approved laboratory. Foundry cuprous alloys. Experience and high technology manufacturing processes make us the French leaders in the weighing and calibration fields. We also specialise in the manufacture of special weights, test weights and control weights, anything from 1mg to 2 tonnes at all levels of precision: E0-E1-E2-F1-F2-M1-M2-M3. ZWIEBEL works with you to define, study and produce everything that you need. Zwiebel can offer its clients access to its extensive experience and skills in the form of metrology training. We can also assist you to set up a calibration laboratory. Special creations designed using computer-aided management tools with 2D or 3D images. ZWIEBEL supplies a wide range of industries such as aviation, chemicals and pharmaceuticals.