Lingtong Casting is a middle sized sand casting foundry established in 2003. It covers an area of 8,Website:http://www.pump-casting.com,000 square meters with more than 80 employees.We have 3 mature casting technologies-----Alkaline phenolic resin sand, sodium silicate sand, and precoated sand.We have our own CNC machining centers, milling machines,boring machines and other machining machines to provide machining service to our...