Tianjin Chunpeng PC Strand CO., Ltd
hat is unbonded prestressed concrete steel strand?
Post-tensioned unbonded prestressed concrete bar is suitable for cast-in-placeconcrete of long-span and wide buildings,large load prefabricated beam and other construction.I has the charcters of not need room for future expasion and grout-in,Convenient use,material savad,bended easy.

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