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Contact Person Mr. Reo
No. 59, Fuqian Avenue, Dongying, Shandong
reo(a)xxxxx Drill collars (Type A, B and C) are manufactured according to API and SY/T standards. Drill Collars (Type A and B) are made of ***5H chromium molybdenum alloy steel, chemical composition and residual elements are well controlled. Drill collars Type c (non-magnetic)are made from low carbon austenitic alloy obtained by combining a proprietary chemical analysis and a rotary hammer forging process with low magnetic permeability excellent machine ability. Drill collars are available in lengths from *0 to *1 feet and outside diameter from 3 1/8" to *1". Other types are supplied on request. For special requirements, technical modifications to the standard requirements are available.
