CTI provides Party A’s full-process quality control-related pull-out test services for concrete post-anchors. Post-concrete anchors refer to the use of mechanical anchors, chemical anchors and bar-planting technical means to anchor on existing concrete structures. The tensile test of concrete rear anchors is an on-site test to detect the anchoring bearing capacity of these rear anchors. So as to determine the safety and reliability of the bearing after the anchor is put into use.