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Petroleum casing is an important equipment for oil drilling. The thread surface of oi...
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Product Name : API 5CT CASING PIPE Type : Seamless (SMLS), Electric Resistance Welde...
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CPU -- LGA775 for Intel® Core™ 2 Extreme quad-core / Core™ 2 Extreme dual-core / Co...
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The steel grades of common oilfield API-5CT casing pipe include J55, K55, N80-1, N80Q...
Manual paper core loading, gluing; Auto cross-cutting, slitting(margin) and rewindin...
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1. Rolling seal bearing structure, cylindrical roller cone in slots in the body, incr...