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Premium Quality Oil Country Tubular Goods from Trusted Manufacturer
Complete range of API 5CT&5B certified couplings for oil and gas well applications
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High-strength couplings for casing strings in oil and gas wells.
Size: 4-1/2" to 20" | Grades: J55/K55/L80/N80/P110/Q125
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Precision couplings for tubing strings meeting API 5CT standards.
Size: 1.050" to 4-1/2" | Grades: J55/L80/N80/C90/T95/P110
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Solid blanks for well completion and pressure testing applications.
Custom sizes available | All standard grades
Learn More →Trusted OCTG supplier serving oil & gas operators across North America
All products strictly comply with API 5CT & API 5B industry specifications.
Complete selection from small tubing to large casing, grades J55 through Q125.
MTC material test certificates provided for every shipment.
Mass ready stock of tubing & casing couplings available for fast delivery. All goods are packed strictly following OCTG export standards to prevent thread damage, rust and collision during long ocean transportation.
Wide range of sizes & steel grades stored in warehouse, support small trial orders and large bulk shipments with short lead time.
Anti-rust grease + plastic thread protectors fitted on both ends to safeguard precision threads.
Secured steel strapping for bulk goods; wooden pallets optional for convenient container loading & forklift handling.
Full set of documents provided: Commercial Invoice, Packing List, Certificate of Origin and Material Test Certificates.
Download our complete product specification sheet for detailed technical information including dimensions, tolerances, and testing requirements.
Download PDF Coupling CatalogSend your product requirements, we will reply with detailed quotation within 24 hours
