Quality Assurance

Since 1993, Guangzhou Yonglong Hardware Manufacturing Co., Ltd. has been a pioneer in China's stud welding industry, driven by high quality and continuous innovation. We have rich technical expertise and qualifications in standards development, system certifications, patent technology, and honor certificates, providing customers with high-quality and reliable products.

Standards Development

As one of China's earliest enterprises engaged in weld stud production, research, and development, we actively participate in industry standards development. With over two decades of production experience and 3,142 specifications, we play an important role in stud welding industry standards, promoting industry standardization and regulation.

System Certifications

The company has passed multiple system certifications and established a comprehensive quality management system. From raw material procurement to production manufacturing to finished product inspection, every step strictly follows standards to ensure consistent and reliable product quality. We operate a 34,262.2 sqm production facility with over 200 employees, equipped with comprehensive production and testing capabilities.

Honors & Awards

Over the years, the company has received numerous honor certificates and qualifications for its outstanding product quality and technical capabilities. Below are some of our certificates:

Quality System Certificate 1

Quality System Certificate 2

Honor Certificate

Membership Certificate

Trademark Registration

Utility Model Patent

We believe "Quality Creates Value," and superior products are our enduring pursuit. We will continue to invest in technical R&D, constantly improving our technical capabilities to provide customers with even better products and services.