Changshu Longteng Rolling Elements Co., Ltd. is the largest production base for high-strength prestressed concrete steel bars in China and a major reviser of the national standard (GB/T 5223.3-2017). Our company has been cooperating with universities for years in research and development projects, focusing on improving the production line speed and efficiency of PC steel bars, optimizing the production process, and ensuring continuous improvement in high-quality development. We strive to achieve the three ultimate improvements proposed by the chairman.

With the aim of meeting customer requirements and the means of continuous improvement, PC steel bars have passed ISO9001, ISO14001, OHSAS18001 system certifications, as well as MS Malaysia certification, SNI Indonesia certification, KS Korea certification, and JIS Japan certification.

Our products are diversified and marketed internationally. The PC steel bar products come in a total of 18 specifications, ranging from the finest φ7.1 to the thickest φ14, covering all conventional and customized specifications in the market.

PC steel bars have been rated as Jiangsu Well-known products and Jiangsu high-tech products for consecutive years; in 2017 and 2021, they were rated as "Champion in individual manufacturing industry" by the Ministry of Industry and Information Technology of China.

The five management concepts of Mr. Ji Bingyuan, Chairman of Longteng Special Steel: "We strive to achieve the five bests of Longteng Special Steel: the best product quality, the highest market share, the optimal cost control, the best marketing service, and the smoothest cooperation relationship! Dedicated to all employees of PC steel bars." Improving the quality of enterprise services and enhancing customer satisfaction are the eternal missions of our company. It has always been our service tenet. Our company has been awarded the honorary title of "Contract-honoring and Creditworthy Enterprise" by Suzhou City for consecutive years.