The casting industry is the base of manufacturing industry, and the development of each industry depends on the casting. There are automobile, machine tools, agricultural machinery, metallurgical mining equipment, and aviation, aerospace, defense industry, even construction hardware, household appliances, also other industries, a large number of castings are needed every year. With the firm belief of being good, doing bigger and strongger, Tianyi is firmly committed to the quality of products and the development of technical strength. Through more than ten years of unremitting efforts, Tianyi established a good business reputation and maintain a long-term cooperative relations with all customers.