Prestressed reinforced steel bar is anchored by nut, with the reliable anchor performance. It can be repeated tension and relax. The prestressedreinforcing steel bartensioninganchorage systemThe precision threaded steel bars is with the continuous rolled threaded-shape on the...

QR unbonded prestressed anchorage is widely applied in the structures above mentioned, no need grouting in construction process. QR Non-bonded prestressed flat anchorage system does not need to leave the empty hole beforehand and no need to have processes such as grouting after...