【求助】下面这句话是什么意思？？急！！

Virgo

once folded exactly in middle of bars, both the end edges of the bars perfectly ct on theoretical weight basis, rollling tolerance,

这是 一个螺纹询价函中的一句话，不明白是什么意思！请大家帮帮忙！！谢谢！
原文如下
quaity astm a615 grade 40, in length12mtrs, once folded exactly in middle of bars, both the end edges of the bars perfectly ct on theoretical weight basis, rollling tolerance, chemical compositions and mechanical properties as international standard,

急