Plate Heat Exchanger, Air Preheater, Air Cooler manufacturer / supplier in China, offering Food Grade Wide Gap Straight Channel Welded Plate Heat Exchanger for Viscous Edible Oil Processing Procedure, Customized Wide Channel Spacing Welded Plate and Shell Heat Exchanger for Oil and Gas Refinery, ASME Code All Welded Plate and Shell Heat Exchanger for Heat Transfer Between Naphtha and Water and so on.