Together with Bohai Automotive Systems Co., Ltd. TRIMET produces custom aluminium die and permanent mold casting parts for the automotive, electrical, and mechanical engineering industries, including engine blocks, structural parts, clutch and gearbox casings, oil sumps, engine and transmission supports, and sealing flanges.
You work with complex structural elements – we produce the best quality die casting parts for you

Start fitting the parts right away
To make it as easy as possible for you, we provide you with aluminium die casting parts that are ready to fit. Various internal work stages make this possible, including:
- In-house heat treatment
- In-house mechanical processing of the cast workpieces
- Surface treatment
- Completion and assembly into finished components
Efficient service for our customers
The plants in Harzgerode and Sömmerda have been supplying the automotive, electrical, and mechanical engineering industries for more than 140 years. This requires a well-functioning logistics set-up which ensures the products are delivered to our customers on time.