China wholesale Factory Casing Coupling - CASING COUPLING FOR DRILLING PIPE 7″N80Q LC – Oilfield

1. 7" N80Q LC API 5CT Casing Couplings. 2. Technical Standard: API 5CT 9th or API 5CT 10th, API 15B or API 16B, according to the customers' request. 3.  All coupling stock shall be with API SR15 certificate and marked with API monogram. 4.  Invoice: Based on actual quantity shipped. 5. Quantity: According to the customers' request.