The mail products include iron inserts for high speed railway, ductile iron Flanges for insulator of electrical railway, ductile auto part, heat&wear resistant alloy steel Guide for steel rolling machines. In situ test results of the inserts made by haixing show that the casting tolerance is +_0.2 mm and the tensile strength of the casting is higher than the requirement. Haixing has 10000tons annual an EPS pattern-making production line, two off V-method molding production lines and a hot-galvanizing production line, and test machines for quality control. Haixing is certificated with ISO9001 quality system.