HW mixed flow pump, which has a very long history in China since late 50s, 20th century, are still widely used in irrigation water supply, drainage and municipal flood control, and very popular in Australia and Southeast Asia due to its low price and easy maintenance. CPP provides a full range sized from 100 to 800, with material variants from cast iron to duplex and bronze, also complete sets coupled with both motor and diesel engine, directly driven or via pully end, installed stationary or portable.