... 31 provinces, municipalities and autonomous regions, was used in many key prestigious projects, and exported to the U.S., Germany, ... , pumps, compressors, fans and other piping systemsbr> [Media]:Common type used to transport -15 to 120 centigrade, of air, compressed ... , solid-state materials[Recommendation]Good value and Cost are key indicator when pruchase products ,sino south korea joint venture ...