Since 2004, Taiyuan SIMIS Company has been deeply involved in the investment casting sector for two decades. The company has constructed a comprehensive industrial chain encompassing sand casting and die casting. In 2015, established a forging department and successfully positioned itself within the forging industry through its advanced technology and superior service quality. In 2023, SIMIS expanded into related casting support fields, including refractory materials, like Ceramic filter plates, samplers, thermometers, etc. By 2024, it introduced a product focused on automotive core components, such as three-way catalytic converters and honeycomb ceramic carriers.