Shandong Jinda New Materials Technology Co., Ltd. was a specialized manufacturer of mullite sand and mullite powder for producing shells through investment precision casting. The company belongs to the emerging industry supported by the national macro-control program and integrates raw materials imports, processing, and applications. By virtue of the joint efforts of the technical staff, and by integrating domestic and international cutting-edge technologies in the industry, the company is equipped with the domestic top-class dust suction and magnetic separation equipment, pushing the production technology of the company to the domestic advanced level. Our laboratory staff have tackled many tough problems, and solved such difficulties as instability in the production of shells through investment precision casting; as a result, the high refractoriness, low linear expansion coefficients, thermal shock stability and chemical stability at high temperatures of our products all meet the requirements of customers.Our products sell well all over the country, some products are exported to Southeast Asia, Europe and some countries and regions, deeply domestic and foreign customers of all ages.