polycarboxylate ether based high range water reducer for construction is a new type super plasticizer developed suitable for engineering projects under various weathers and primarily for using in hot climate area, which have liquid and powder form. It’s most effective high range water reducing in the market which the reducing rate can go up to 35-40%. Because of their Low chloride and alkali content, no corrosion to steel-bar, high stability & environmental friendly and nontoxic characters, they have been warm welcomed in high strength concrete for railway, haven, traffic, bridge and electric power., got good feedback from worldwide customers. It is excellent superplasticizer in premix of construction and cast-in-place concrete.