About Us

Wenzhou Longwan Qiancheng Auto Parts Factory


Wenzhou Longwan Qiancheng Auto Parts Factory was established in 1988 and is located at No. 159 Airport North Road, Longwan District, Wenzhou City, Zhejiang Province. As a key enterprise within the district, it specializes in the production of high-strength standard fasteners, including bolts, welding nuts, retaining rings, rivets, and more—products widely used in the automotive and refrigeration compressor industries. Currently, the factory offers over 200 varieties of high-strength bolts ranging from Grade 8.8 to Grade 12.9, all backed by advanced bright heat treatment processes that ensure chlorine-free and decarbonization-free finishes. These products are already supplying more than ten major domestic automakers and have earned recognition from customers as a premium-quality supplier partner. Since 1998, the company has been ISO900-certified, and its products have consistently passed rigorous EU RoHS 2.0 testing, meeting stringent export standards and earning widespread acclaim from users worldwide. With robust technical capabilities, cutting-edge manufacturing and testing equipment, and a team of highly skilled professionals, the company remains committed to continuous innovation and product development. Leveraging its strong technical expertise, collaborative work ethic, and unwavering dedication to excellence, the company has achieved remarkable growth and success. Guided by the principle of "expanding our market through superior quality and safeguarding customer satisfaction with exceptional service," the company’s General Manager, Mr. Sun Xianglin, along with all employees, warmly welcomes both new and existing customers—domestic and international—to forge long-term partnerships with us. Together, we look forward to building a brighter future filled with mutual success and prosperity.

Bright future

Corporate Culture

Core Values

Core Values

Integrity, Innovation, Win-Win, Focus
Corporate Vision

Corporate Vision

Consistently delivering high-quality products and services to our customers
Corporate Mission

Corporate Mission

Leveraging innovative technology and professional expertise to drive sustainable social development.
Corporate Spirit

Corporate Spirit

Unity, dedication, pragmatism, and progress

Corporate Honors

Notice of Certification Qualification Maintenance
International Standard Certification Certificate

Corporate Honors

Notice of Certification Qualification Maintenance

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