20 pieces of spiral drill collar (OD 6 1/2'' x ID 2 13/16'', AISI 4145H, NC46 B) were ordered by our customer from southwest asia. We completed the production recently after about 50 days. Goods are awaiting packaging and shipment. In compliance with our customer’s request, TC2000 was selected as the inner coating material, and each piece of drill collar comes with three hardbandings. It is our highest principle to complete high-quality production on time in full accordance with the customer's specified requirements.
As main competitive products, our downhole drilling tools include drill pipes, downhole drilling motors, drill collars, stabilizers and so forth. In each case, we can customize and offer competitive price so as to make our customers more steady in their markets.