Casing) Hebei Steel Pipe Manufacturing Co., Ltd. 13703275487/QQ308969729/0317-5128266 ten billion professional sales casing, oil casing full range of business, more than a thousand tons of annual cash back casing, API5CT tubing, API5CT casing, oil pipe Specifications 26.67-114.3mm. Casing Size 114.3-508mm. Material V: J-55, K-55, N-80, L-80, C-90, C-95, P-110, Q-125 and so on. Oil casing buckling BTC, LTC, STC. Casing length R1, R2, R3. The company produces oil casing made of ISO9001-2000 certification, the American Petroleum Institute API5CT certification casing according to the American Petroleum Institute requirements for hydrostatic pressure test, flattening test, tensile test and so on. The company produces oil pipes sold in central and eastern Europe countries, wide range of casing used in oil and petrochemical, and other major oil fields, oil casing classification; the surface casing to protect oil drilling, to avoid being affected by shallow aquifers and shallow gas pollution, wellhead equipment, support and maintain the weight of the casing of the other layers. Separate the different levels of technology, casing pressure, so that the amount of normal drilling fluid circulation and to protect the production casing. To install anti-burst in drilling equipment, devices and leak-proof liner. Oil casing oil from the oil and gas reserves under the surface layer export. For the protection of drilling, the drilling mud layer. Production casing has years of experience, the company casing to improve the detection quality, high-quality products, in the casing industry was well received.