1.valve 2.TS16949 3. competitive price 4.quality control well 5. gray iron valve We are a manufacture company for casting products. There is a big foundry workshop in our factory. There are two 5-ton-copula, one 2-ton-electric furnace and two 1-ton electric furnace in the foundry workshop. The capacity of the foundry is 40,000tons per one year. Besides there are complete inspecting equipments in ...