We are Shijiazhuang LongWay Petroleum Drill Tolls manufacturer in china. We are exporting oil drill pipe, water well drill pipe, flat drill pipe, geological drill pipe, non-dig drill pipe and all kinds of drilling joints now. SIZE: 2-3/8'', 2-7/8'', 3-1/2'', 4'', 4-1/2'',5'�. GRADE: E-75, X-95,R-780, G-105, S-135 The Minimum Order: one container. Payment: 30% of invoice value by cash as deposit, the balance by T/T before shipment If you are interested in our products, you can contact with me at any time.