1.DCT-B Non-welded Casing Centralizer. 2.Pressed by punching, high strength. 3.Saving storage and transportation cost. Features1. Non-welded , pressed by punching, high strength.2. Starting force and restoring force exceed API 10D specifications.3. Hinged design allows convenient field installation.4. Can be unfolded and stacked flatly, saving storage and transportation cost.5. mproves ...