Qingdao Ruizhi Chemical New Material Co.,ltd was established in 2018 and is a professional dealer of foundry materials. Over the years, the company has devoted itself to the research, development and promotion of the use of artificial foundry sand; the use of electric arc melting to produce pearl sand has overcome the shortcomings of traditional foundry sand, with good grain shape, high refractoriness, good thermal stability, its excellent performance and significant economic benefits, and has been recognized by domestic and foreign foundry experts. At present, the company has a production capacity of 3000 tons/year of foundry sand.