construction safety nets: 1) 20pcs per bag 2) size(m): 1. ... 1 936, CM-2 820, CM-3 660 production:Construction safety netsmaterial:polyethylenetype CM-1, CM-2, CM-3package:20pcs per ... ), 660(gr/m2)color:greenIn the construction of building , Safety net is made of HDPE, in order to prevent the ... places and the passing pedestrians also to keeep the site clean.HEFEI GRAND NETS CO.,LTDMiss CC Cai ( sales )TEL ...