Yangzhou Longchuan Energy Equipment Co., Ltd., as the wholly-owned subsidiary of Yangzhou Longchuan Steel Pipe Co., Ltd. slated for listing, carries all of Longchuan's manufacturing, R&D, and trading operations. Founded in 2003 and headquartered in Yangzhou, China, the company has a total fixed asset investment of RMB 4.5 billion, an annual seamless steel pipe manufacturing capacity of 700,000 tons, and employs over 1,000 staff. It has been recognized as a High-Tech Enterprise by Jiangsu Province for multiple consecutive years. The company boasts a national-level testing center, a provincial-level technology center, a post-doctoral workstation, and a comprehensive quality assurance system.

With an annual production capacity of 700,000 tons of seamless steel pipes, the product range covers a full spectrum of sizes from Φ13mm to Φ1498mm in outer diameter and 2mm to 150mm in wall thickness. Products cover line pipes (up to grade X100), low-temperature service pipes (down to -75°C), offshore steel pipes (grade X80), carbon steel, alloy and high-alloy pipes for refining and chemical use, carbon steel, alloy and high-alloy ultra-supercritical power plant pipes (T/P91, T/P92), subsea pipelines (X80), nuclear power steel pipes, and stainless steel, widely applied in oil and natural gas, coal chemical, ultra-supercritical thermal power, nuclear power, offshore engineering, energy, and machinery manufacturing sectors.

The 720mm large-diameter seamless steel pipe production line, as one of the world's most technologically advanced large-diameter seamless pipe production lines, relies on independent innovation and is dedicated to pushing the limits of seamless pipe manufacturing. It continuously breaks new ground in applications across nuclear power, ultra-supercritical power plants, petrochemical, coal chemical, offshore engineering, subsea pipelines, LNG transportation, and other fields, establishing a unique position in the global seamless steel pipe industry.

Quality Assurance System You Can Always Rely On

The company implements internationally advanced quality control and quality assurance systems, occupational health, safety, and environmental management systems, and has obtained ISO 9001:2015 Quality Management System, ISO 14001:2015 Environmental Management System, and ISO 45001:2018 Occupational Health and Safety Management System certifications. The company has also passed international product quality certifications including API 5CT, API 5L, IBR, PED, CPR, AD 2000, as well as factory certifications from multiple classification societies such as DNV-GL, ABS, LR, BV, and CCS — a trustworthy technical R&D system.

Driven by product technology innovation as its core impetus, Longchuan has consistently maintained an annual R&D investment growth rate of no less than 10%. It has established a national-level seamless steel pipe physical and chemical testing center, built its own corrosion laboratory with CNAS certification, and a new product R&D center. In collaboration with renowned domestic and international research institutions, it has established a post-doctoral research workstation and an academician workstation serving the enterprise, consistently committed to advancing technological innovation in the seamless steel pipe industry and pursuing a leading edge in seamless pipe technology. In 2013, it was awarded the First Prize of Jiangsu Province Science and Technology Progress Award. Multiple proprietary intellectual property achievements in large-diameter seamless steel pipes have received strong support from Jiangsu Province's Science and Technology Achievement Transformation Program.

Internationalized Sales and Service System

Since its inception, Yangzhou Longchuan Energy Equipment Co., Ltd. has focused on advancing both international and domestic markets in tandem. In the domestic market, it has established itself as a major supplier for power boiler manufacturers, providing hundreds of thousands of tons of boiler tubes over the years to clients such as Harbin Electric, Shanghai Electric, and Dongfang Electric. It also serves as a qualified supplier to China's three major oil and natural gas companies and has rapidly expanded its market influence in offshore engineering and coal chemical sectors. The international market network has established a sales framework centered on North America, South America, Europe, Gulf states, Africa, the CIS, and Southeast Asia, with products exported to over 60 countries and regions. The company has earned recognition from numerous internationally renowned companies, including Kuwait Oil Company, Kuwait National Petroleum Company, Abu Dhabi National Oil Company, PDVSA, BP, Petrobras, PDO, LUKOIL, Total, Alstom, Siemens, SUNCOR, L&T, and BHEL, and has built long-term, stable cooperative relationships with well-known EPC companies both domestically and internationally.

Keeping pace with market trends and leveraging its own advantages, the company has established logistics support and deep-processing centers, accelerating the industrial chain and supporting capabilities while strengthening its market edge. The sales philosophy the company pursues is to provide customers with: one-stop service, completed in a single pass.

Corporate Vision: Piping the World, Smoothing the Flow of Goods.

With a comprehensive operational system safeguarding superior product quality and a forward-thinking after-sales service philosophy protecting customer interests, Longchuan has secured its position as a new leader in the seamless steel pipe industry. Today, guided by the shared vision of building a "Centennial Longchuan," the energetic Longchuan team actively embraces challenges and strides boldly forward along the path of becoming an internationally renowned, large-scale modern steel pipe enterprise integrating R&D, logistics, and manufacturing.