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Good User Reputation for N80 Tubing Coupling - TUBING COUPLING 3-1/2″N80Q EU – Oilfield

1. 3-1/2" N80Q EU API 5CT Tubing Couplings. 2. We are a factory, manufacturing API couplings with many years. 3. Certificate: API & ISO. 4. Quantity: As the customers' request.