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Results for "API 11B"
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Artificial lifting
Our company produced coupling including sucker rod coupling,sub-coupling and spray coupling, they are design according to API Spec 11 B standard.Using the high quality carbon steel or alloy steel (the equivalent of AISI 1045 and AISI 4135) and plating metal is a kind of surface hardening technology,
API 11B
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API 11B
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