About us Products Quality Service

Zibo Qiangda Group, founded in 1970 with a registered capital of RMB 22.30 million and total assets of RMB 0.18 billion and restructured from Zibo High Strength Bolt Factory in 1970, is a group company in accordance with the modern enterprise systems. The company covers an area of 200mu (1m≈667m2), has 550 employees including more than 120 engineering technicians. As a professional manufacturer of high strength bolts and nuts in China, the company ...


The company is certified to ISO/TS16949 and ISO9001 International Quality Management System and possesses high-strength bolt physical and chemical test center. Therefore, the company can accurately inspect the quality of products by virtue of precise instruments such as universal material testing machines, spectrum testing...


The company provides domestic and overseas customers with high-quality products and best services always by adhering to the quality policy of “Pursue Excellence, Achieve Perfection”. We are your trustworthy cooperative partner.
We organize and produce high-strength bolts and nuts in strict accordance with international standards and...