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Port: Shanghai / Shenzhen / Qingdao / Ningbo / Other
Payment Terms: L/C , T/T , other
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We manufacture couplings, including sucker rod couplings, cross over couplings, polished rod couplings, SM couplings, all based on API Spec 11B standards in superior carbon steel or alloy steel(AISI1045 OR AISI14135). Hardness of Grade T coupling is HRA56-62, has good anti-corrosion and anti-abrasion performance.
Product Pic.
Year Established: 2002
Business Type:
Management Certifiation: ISO9001, API
Operational Address: Dongying, Shandong