Description:  Valve, Pipe Fittings
Process:       Carbon Steel Lost Wax Casting

Materials:     steel 1050, 4130, 40Mn2, ZG25, 45Mn2, 30Cr
Specification:  ASTM, AISI, GB, DIN, JIS
H-Treat:        Q+T, Anneal, Temper
Secondary Operations:  CNC machining
Finish:          Galvanizing, Zinc Plating