Product Details  sucker rod centralizer, down hole tool  Jinghong Petroleum Equipment Corporation www jh-pm com Our main product: 1. Top Drive Drilling System,  2. PC Pump & Ground Driving System,  3. Series of Down-hole tools , 4. Solid Expandable Tubular Machining and Engineering service.  -------------------------------------------- Features: 1. Compression is high, and hanging force is great.  2. Pipe inside diameter increases over 6mm to compare with normal expansion pipe with the same pipe wall thickness.  3. Solidified pipe intensity increases after expanding.  4. Technology is developed and can be used for solidifying of casing of different sizes.  5. After expansion damaged casing well can be used in separate recovery and injection.  6. It is easy to operate with, success rate is high. Casing size: 5 1/2"  Internal Diameterφafter Hardening: 108-110mm  Expanding Pressure : 25MPa Hardened casing wall thickness: 8mm ----------------------------------- WEB: www jh-pm com