1. Baosteel Group Corporation
- One of the largest and most reputable steel producers in China.
- Specializes in high-quality casing tubes for oil and gas industries.
- Complies with API, ISO, and other international standards.
2. Tianjin Pipe (Group) Corporation (TPCO)
- A leading manufacturer of seamless casing and tubing for oil and gas drilling.
- Known for its advanced production technology and large-scale manufacturing capabilities.
- Exports to over 80 countries worldwide.
3. Jiangsu Changbao Steel Tube Co., Ltd.
- Specializes in high-precision seamless casing tubes and pipes.
- Offers a wide range of products for oil, gas, and water well applications.
- Certified by API, ISO, and other international standards.
4. Hengyang Valin Steel Tube Co., Ltd.
- A major producer of seamless steel pipes and casing tubes.
- Known for its high-quality products and strong R&D capabilities.
- Serves industries such as oil, gas, and construction.
5. ZHEJIANG DINGXIN STEEL TUBE MANUFACTURING CO., LTD., founded in 2004, is a leading precision seamless steel tube manufacturer in China. Our factory is located in Jiaxing City, which is only 100 kilometers away from Shanghai. It covers an area of 25,000 ㎡, with an annual production capacity of 30,000+ tons.
Dingxin tubes embody nearly 20 years of experience in the manufacture of cold-drawn and cold-rolled precision seamless steel tubes. We manufacture according to the industry's highest standards and test rigorously. It can meet the requirements of ASTM A519, DIN 2391, EN 10305-1, GB/T 3639, JIS G3445, etc.
Our facilities include some of the latest technology, up-to-date production, and testing equipment. Thanks to our fully integrated in-house manufacturing process, from piercing, cold drawing, cold rolling, and heat treatment to mechanical processing. We manufacture the most reliable tube products with high flexibility and deliver on time.
Dingxin has established standardized and comprehensive quality management systems. It is certified by ISO9001 and IATF16949 in 2007 and 2012 respectively. Meanwhile, the company is technology-oriented and invests heavily in improving equipment, processing, and R&D to improve competitiveness and sustainability. In 2018, we won the honor of "National High-Tech Enterprise"
6. Wuxi Seamless Oil Pipe Co., Ltd.
- A leading manufacturer of casing tubes for oil drilling and water wells.
- Provides high-quality products with excellent mechanical properties.
- Certified by API, ISO, and other international standards.
7. Shandong Molong Petroleum Machinery Co., Ltd.
- Specializes in casing tubes, drill pipes, and other oilfield equipment.
- Known for its advanced manufacturing technology and strict quality control.
- Serves both domestic and international markets.
8. Chengdu Iron & Steel Co., Ltd.
- Produces high-quality casing tubes for oil and gas industries.
- Offers a wide range of sizes and specifications.
- Certified by API and ISO standards.
9. Anhui Tianda Oil Pipe Co., Ltd.
- Specializes in seamless casing tubes and pipes for oil and gas exploration.
- Known for its reliable products and strong export presence.
- Complies with API, ISO, and other international standards.
10. Liaoning Northern Steel Pipe Co., Ltd.
- A leading manufacturer of casing tubes for oil, gas, and water wells.
- Offers customized solutions and high-quality products.
- Certified by API and ISO standards.
Key Factors to Consider When Choosing a Casing Tube Manufacturer
- Quality Standard Ensure the manufacturer complies with international standards like API (American Petroleum Institute) and ISO.
- Production Capacity: Check if the manufacturer can meet your volume requirements.
- Material Quality: Verify the grade and quality of steel used in production.
- Customization: Look for manufacturers that offer tailored solutions for specific applications.
- Certifications: Ensure the manufacturer has relevant certifications for quality management and environmental compliance.
- Export Experience: Manufacturers with a strong export presence often have better quality control and customer service.
