The products have passed the international quality system authentication of ISO9001, and our company is a special foundry company with single-crop farming and extroversion model. The enrollment capital is 2,600,000 RMB, the capital asserts has been over 15,000,000 RMB, the total area is 35000m2, and there are 300employees and 25 technicians. The main products of our company are black metal casts included grayer cast and ball-carbon cast, the throughput every year is over 20000ton and 80% of them are sold to Europe, America, Australia and Asia. The leading products are the casts for city building such as manhole covers and gully tops.