Technical specifications:
Outer diameter: 60-508mm
Standards: API, SEPC, 5CT
Steel grades: H40, J55, K55, N80, L80, C90, C95, T95, P110, Q125
Connection: STC, LTC, BTC and premium connection
Inspection: SGS, BV
Certification: ISO 9001: 2000
Delivery time: after received deposit 10-60 days according to the quantity
Payment terms: T/T, 100% L/C at sight
Port of shipment: Shanghai port, Qingdao port etc.
Quality control:
Company has perfect quality assurance system, advanced testing equipment and high-qualified management team with control over series of activities such as contract signing, product research and development, productive process and test, product preservation and delivery.
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