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Page Views: 35 Date Added: 05/21/2008 Last Updated: 05/21/2008 Expiry Date: 05/19/2018 Description: Non-magnetic products: Our non-mag products include non-magnetic drill collar and non-magnetic stabilizer.The material is chrome manganese stainless steel.High quality is achieved by two process,material choosing and material inspection. Material choosing: During steel making,chemical components are seriously controlled.The most important process to make our non-mag products outstanding is forging process.Professional forging techniques assure the mechanical properties of our non-mag products meet API standard. Material inspection and testing: All materials have been ultrasonic tested within the whole length to make sure there is no crack inside. We cooperate with the National Institute of Metroloty P.R.China in measurements of relative magnetic permeability.And our non-mag products have a relative magnetic permeability less than 1.010. We refer to GB4334.5-2000.ASTM.A262,ASTM.A276 when doing corrosion resistance experiments and we can reach the best condition. Additional photos non-magnetic drill collar(API)

Company Information (Shenlong petroleum drilling tools Co.,Ltd)

Company Profile: Shenlong Petroleum drilling tools Co.,Ltd,a Sino-US joint enterprise,is one of the leading manufactures of drilling tools in mainland China. We manage our production line and inspection process according to the requirement of API.Our main products include slick drill collar,spiral drill collar,non-magnetic drill collar,heavy weight drill pipe,stabilizer,square and hexagonal Kelly,drill stem subs,amongst others. Our products have been widely used by many important oilfields both home and abroad.It is proved that there is no gluing or fracture after 600- hour conscecutive drilling.Our products can last much longer than that of many other competitors. With more than 60% of our products exported,we have long been enjoying a solid reputation both home and abroad.Here we promise you that your every enquiry will receive our prompt and careful reply!We will prove you that we will be your most trustable supplier of high quality products. Hope your enquiry all the time! Website URL: http://www.petrodrillingtools.com Year Established: 2006 Products/Service: drill collar(slick,spiral,non-magnetic), heavy weight drill pipe,stabilizer,drill stem subs,kelly

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