A positioning grid is a key clamping structure for fixing the transverse and axial positions of fuel assemblies in nuclear reactors. and it is generally prepared by the transverse stamping of a Zr-4 sheet. However. the texture formed in the processing process of Zr-4 sheets can affect formability. https://www.diegojavierfares.com/top-offer-Royal-Ann-Cherry-Tree-limited-choice/