The surface treatment of highly alloyed tool steel and base materials, an even layer distribution and reproducible results are the special challenges faced in successful coating of free-form surfaces. Thanks to its specific know-how and outstanding plant and equipment, STI Group excels at mastering these tasks with the tightest of tolerances for small and medium sized components with free-form surfaces. Using sophisticated anode setting methods, the STI Group specialists achieve top quality of the finished product.