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We are a chinese manufacturer and supplier of drilling tools， established since 1983. we have dedicated ourselves since to supply the drilling industry with the best products. Our products, such as bits, Drill pipe, drill collar and other drilling.....

Dirlling pipe with API Spec 5D 1)OD: 2-3/8"~5-1/2" 2)Grades: E-75, X-95, G-105, S-135 3)Upset ends: EU, IU, IEU 4)high quality 5)reasonable price

1. Material: Brass; Stainless steel; Carbonized steel; Zinc alloy 2. Surface finished: Chromeplate; Galvanization; Copperize; Nickle plated 3. Our factory has equipments with CNC lathes, millings, drillings, planning and grinding machines. We.....