Qufu Yetong Casting Materials Technology Development Co., Ltd. is located in Qufu City, Shandong Province, the hometown of Confucius, the birthplace of Confucian culture in China ----, and is a specialized manufacturer of research and development and production of sand and casting auxiliary materials for melting and casting，The company's main products are sand additives (mixing soil), sand additives, high-efficiency coal powder, carbon enhancers, bentonite, casting starch and more than 30 kinds of foundry materials，YETONG Casting has a testing center for casting materials (sand and smelting), a R&D center for new materials, and a laboratory for casting sand performance, which is one of the few units in the industry with comprehensive testing capabilities for raw and auxiliary materials and sand.