petroleum drill pipes

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We are a factory specializing in the manufacture and export of drill pipes(API oil drill pipes,flat drill pipes,water drill pipes,non-dig drill pipes and geographical drill pipes), drill collars and drilling joints (API and other standerds) in China for more than six years. We have profuse designs with series quality grade, and expressly, our price is very competitive because we are manufactory, we are the source we have got the citification of the ISO9001 and API , we are always insisting on the slogan of "Creativity, Quality First, Satisfy Clients". We are confident that we can provide all the drilling equipment which you need! As a very active manufactures, we can also develop new designs according to our costomers. The specifications of oil drill pipes we can supply according to the API are as following: Size (inch) RSD WeightDesignation Calculated Plain-End weight Outside Diam. Wall Thickness Lb/ft kg/m Inch mm Inch mm 2-3/8 NC26 6.65 6.26 9.32 2.375 60.3mm 0.280 7.11 mm 2-7/8 NC36 10.40 9.72 14.48 2.875 73.0mm 0.362 9.19 mm 3-1/2 NC38 9.50 8.81 13.12 3.500 88.9mm 0.254 6.45 mm 3-1/2 NC38 13.30 12.31 18.34 3.500 88.9mm 0.368 9.35 mm 3-1/2 NC38 15.50 14.63 21.79 3.500 88.9mm 0.449 11.40 mm 4 NC40 14.00 12.93 19.26 4.000 101.6mm 0.330 8.38 mm 4-1/2 NC46NC50 13.75 12.24 18.23 4.500 114.3 mm 0.271 6.88 mm 4-1/2 NC46NC50 16.60 14.98 22.31 4.500 114.3 mm 0.337 8.56 mm 4-1/2 NC46NC50 20.00 18.69 27.84 4.500 114.3 mm 0.430 10.92 mm 5 NC50 16.25 14.87 22.15 5.000 127.0 mm 0.296 7.52 mm 5 NC50 19.50 17.93 26.71 5.000 127.0 mm 0.362 9.19 mm 5 NC50 25.60 24.03 35.79 5.000 127.0 mm 0.500 12.70 mm In order to build up business cooperation ASAP,pls your specific models to my early reply for you.We are fully prepared to fulfill your need from your order and supply the products in strict compliance with national and international standards to reach and even outclass our esteemed customers request. Human He Shijiazhuang LongWay Petroleum Drill Tolls Co., Ltd TELL:86-15713115209 Fax: 086-311-84386567 QQ:1347376635 SPY: human1986he

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Shijiazhuang LongWay Petroleum Drill Tolls Co., Lt

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