JIANGSU YONGHAO HIGH STRENGTH BOLT CO., LTD.

ROOTED IN HIGH-STRENGTH FASTENER MANUFACTURING
SECURING CRITICAL CONNECTIONS FOR HIGH-END EQUIPMENT

Jiangsu Yonghao High Strength Bolt Co., Ltd. is located in the Yangtze River Delta Economic Development Zone, on the north bank of the Jiangyin Yangtze River Bridge. Founded in April 1990, the company occupies 96,000 m² with 85,000 m² of floor space. It has 520 skilled employees, including 58 senior engineers, with an average technical grade of Level 6, and operates 586 sets of modern production and testing equipment. Yonghao has jointly established R&D centers with Zhejiang University, Donghua University, Soochow University, Jiangsu University of Science and Technology, Kunming University of Science and Technology, Zhejiang research institutions and other partners. The company operates a Jiangsu Provincial Enterprise Technology Center, a Jiangsu High-Strength Bolt Graduate Workstation and a Jiangsu High-Strength Bolt Engineering Technology Research Center, and has been recognized as a Jiangsu Specialized and Innovative SME and a Jiangsu Science & Technology Little Giant Enterprise. Multiple products have been recognized as Jiangsu High-Tech Products, while “Yongtai” brand bolts have been recognized as Jiangsu Famous Brand Products. By the end of 2025, the company held 65 invention patents authorized by the China National Intellectual Property Administration and had earned recognitions including National Intellectual Property Advantage Enterprise, High-Tech Enterprise, Top 10 Bolt Manufacturer in China and Taizhou Management Innovation Enterprise. The company manufactures M4–M125 high-strength bolts and nuts, as well as customized low-temperature-resistant and impact-resistant bolts. Its products are widely used in elevators, bridges, defense equipment, wind power, nuclear power and ultra-high-voltage transmission. Yonghao supplies hundreds of key enterprises, including Zoomlion, CRRC, Pinggao Electric, XJ Electric, China First Heavy Industries, SANY, China Aerospace, Qinshan Nuclear Power, CGN, MingYang Smart Energy, Sinovel, Dalian Huarui Heavy Industry, Dalian Shipbuilding, Jiangnan Shipyard, Dongfang Pipeline, NGC, Arctech, POWERCHINA, Energy China and ZTT. Bolts for electric power fittings are recognized products of the national electric power research system. Products are also exported to more than ten countries and regions, including Brazil, Spain, India, Ukraine, Vietnam, Bangladesh and Hong Kong. With strong R&D capabilities, advanced manufacturing equipment, comprehensive qualifications and reliable product quality, Yonghao is currently preparing to establish a CNAS-accredited laboratory.