About us

Company profile

Changshu Longteng Special Steel Co., Ltd. is located in Meili Town, the eastern suburb of Changshu, a famous historical and cultural city, bordering Shanghai in the east, Suzhou in the south, Wuxi in the west, and the Yangtze River in the north. The riverside expressway, Sujia-Hangzhou expressway, and 205338 provincial highway intersect with each other. The Shanghai-Tong Railway and the riverside railway pass through in parallel, the Changhu River and the Yantietang pass through the town, and the Sutong Bridge is close at hand. The waterway transportation is convenient and the location advantage is obvious.
Founded in 1993, the company was a township enterprise and restructured into a limited liability company in 2001. At present, the new and old factory covers an area of more than 2.7 million square meters, and the number of employees has grown from more than 80 people at the beginning to more than 5400 now. It is a steel and iron joint enterprise integrating traditional steel industry and metal deep processing. The company has a total assets of more than 15 billion yuan, including iron making branch, steel rolling branch, steel bar branch, wear-resistant ball branch, welding material branch, automobile forging branch, comprehensive utilization of mineral resources branch, new energy equipment branch, Beijing Iron and Steel Institute branch, foreign trade company, Xintai Port, Changshu Longteng Hilton Hotel.
For more than 20 years, the company has always adhered to the experience concept of "law and integrity", focused on doing a good job in its main business, with differentiated development orientation, professional development ideas, market-oriented operation concept, innovative development model of integrated R&D and manufacturing services, firmly seized the development opportunities of the enterprise at all stages, and successfully created five leading products with core competitiveness: 1. hot-rolled marine steel for shipbuilding industry Hot rolled track section steel for construction machinery; 2. Hot rolled and forged wear-resistant steel ball series for bearing industry and metal dressing; 3. High strength prestressed concrete steel bar (PC steel bar) series for construction industry; 4. Various welding materials and wires for shipbuilding, high-speed railway and bridge; 5. Automobile forgings and oil and gas pipe fittings. The company has an annual output of more than 4.5 million tons of special steel, and its products are sold to more than 40 countries and regions in the world.
The company is actively exploring overseas markets. The Zambia branch with an investment of US $60 million in October 2018 was successfully put into operation. The Kazakhstan branch and Peru branch are also actively preparing for construction.
The company has successively ranked among the top 100 manufacturing enterprises in the Yangtze River Delta, the top 500 private enterprises in China, and the top 500 private manufacturing enterprises in China. It has many honorary titles, such as "National Green Factory", "Meritorious Enterprise for the 40th Anniversary of the Reform and Opening up of the National Iron and Steel Industry", "National Technology Center", "Global Influential Brand of the Iron and Steel Industry in 2022", "Leading Enterprise of Green Development in Jiangsu Province", "Excellent Enterprise of Industrial Carbon Peak in Jiangsu Province", and "High-tech Enterprise in Jiangsu Province".
Over the years, the company has vigorously promoted technological progress and new product development, and formed unique technological and product advantages. The effective implementation of the quality management system has made our products invincible in the fierce market competition. In 2006, "hot rolled steel ball blank", "high strength PC steel bar" and "hot rolled ball flat steel" were listed as high-tech products of Jiangsu Province; In 2007, "Hot rolled flat steel for ship" was awarded the certificate of "Jiangsu Quality Credit Product"; In 2008, "High strength prestressed concrete steel bar" was rated as "Jiangsu famous brand product", and "Hot rolled ship spherical flat steel" was included in the national torch plan; In 2009, "Hot rolled flat steel for ship" was rated as "Jiangsu famous brand product"; The main products of marine section steel have obtained the factory approval certificates of CCS, ABS, VL, LR, BV, NK, KR, RINA and RS; In 2010, the company was elected as the vice president unit of "China Shipbuilding Industry Association".
Hundreds of boats compete for the flow, the wise man leads the ship, the thousand sails compete for the first, and the brave man competes for the first. Longteng Special Steel continues to grow in the same industry, and its reputation continues to rise, bursting out of inexhaustible vitality, and leaping with the pulse of the world. The company will continue to inject new ideas, adhere to the technical innovation, management innovation and service innovation of "becoming bigger, smaller, specialized and stronger", and wholeheartedly provide customers with the best quality products and first-class services.


Company advantages

Over 20 years, the company has been under the business philosophy of“Iaw compliance and integrity".concentrates on the main business, and adopts differentiated development, professional development,market-oriented operations, and the development model integrating innovation, R&D, manufacturing and services. The company seizes the development opportunities to produce three leading products with core
competitiveness: 1. Hot-rolled profile steel for shipbuilding and hot-rolled track shoes profile steel for engineering-machinery; 2. Hot-rolled hot forged steel balls for bearing industry and mining; Five main products: 1. Hot rolled Marine section for shipbuilding industry, hot rolled caterpillar section for construction machinery; 2. 2. Bearing industry and metal ore dressing for hot rolling hot forging wear-resistant steel ball series; 3. Steel rod (PC steel rod) series for high strength prestressed concrete used in construction industry; 4. Various welding wire series for shipbuilding, high-speed railway and bridge; 5. Automobile forgings and oil and gas pipe fittings series. The company's annual output of all kinds of special steel is more than 4.5 million tons, the products are sold to more than 40 countries and regions.


Business Concept

Make product quality more superior; 
Make market share higher; 
Make cost control more excellent; 
Make marketing service better; 
Make partnership smoother. 



Product Advantages

1. The leading product was awarded "Single champion" by the Ministry of Industry and Information Technology.

2. Ship section steel has been certified by the world's nine major classification societies.

3, set iron, steel, deep processing in one complete industrial chain.


Exquisite Process 

We "Concentrate and focus" on main business, carry forward craftsmanship spirit and keep improving. We attach importance to each step and detail control of production process to ensure product quality. 


Enterprise Culture

Culture is the Way
It runs through enterprise development and is implemented throughout the enterprise. Intangible culture is more powerful than tangible things, and is the key to success for the enterprise