Dongying Haihe Precision casting Co., Ltd located in Shandong China is a professional manufacturer of investment castings, lost wax castings or precision castings. And both sodium silicate and silica sol process had been adopted. We mainly produce ...

The company is situated in famous kite city Weifang Shandong Peninsula Founded July 1996, primarily was a private enterprise mainly run precision casting process, Silica Compound Technology and the use of two types technology production processes lines, ...