... Product: Corrosion Resistant Pump; Cast iron Product; Mechanical Seals Our company is well supported by strong technical force ... pumps. The yearly capacity is 1250 pumps, 1100 valves, 1800 mechanical seals and 300 tons of various kinds of parts for ... treatment, natural gas, aerospace, military, ocean platform industries, for processing high and low temperature , high corrosion, flammable,explosive ...