What is the fine-grained topic of the following text: 250 leading names from 30 countries, including national pavilions and groups from Italy, Indonesia, China, Taiwan and for the first time, Spain will showcase a comprehensive range of machinery and products from foundry technology, casting products, to metallurgy and thermo process technology – in leveraging on the synergistic interrelations amongst these product categories. Only return the topic.
International trade show for foundry technology, casting products, metallurgy and thermo process technology