1.Bow-spring Casing Centralizer 2.Non-welded, high strength 3.Used for cased hole 4.Saving storage and transportation cost Features1. Non-welded, pressed by punching, high strength.2. Compared with single bow centralizer, the restoring force is higher while the starting force and running force are lower. Therefore, it can be run in vertical, highly-deviated and horizontal wells.3. Hinged design ...