High Quality Api Casing Coupling - CHINA COUPLING SUPPLIER 4-1/2″P110 LC – Oilfield

1. 4-1/2" P110 LC API 5CT Casing Coupling. 2. Couplings are used to connect two joints of tubing or casing. 3. Technical Standard: API 5CT 9th or API 5CT 10th, API 15B or API 16B, according to the customers' request. 4. Quantity: As the customers' request. 5. Invoice: Based on actual quantity shipped.