Tianjin Chengyue continues to strengthen its position as a reliable supplier of API Casing and Tubing (OCTG) products for the global oil and gas industry.

The photo shows our well-organized stock of API 5CT casing and tubing pipes, prepared for shipment to customers worldwide. With strong manufacturing capabilities and strict quality control, Tianjin Chengyue provides reliable tubular solutions for drilling, exploration, and production applications.

Our API casing and tubing are manufactured in compliance with international standards, including API 5CT, and are available in various grades such as:

• J55
• K55
• N80
• L80
• P110

The products are widely used in:

• Oil and gas well drilling
• Onshore and offshore exploration
• Oilfield production projects
• Energy infrastructure development

To ensure product reliability, Tianjin Chengyue implements comprehensive inspection procedures, including chemical composition analysis, mechanical testing, hydrostatic testing, dimensional inspection, and non-destructive testing. Complete quality documentation and third-party inspection services are also available according to project requirements.

With years of experience in international steel pipe supply, Tianjin Chengyue has successfully served customers and projects across the Middle East, Africa, South America, Southeast Asia, and other global markets.

Committed to quality, reliability, and professional service, Tianjin Chengyue continues to deliver customized OCTG solutions to support the development of the global energy industry.