Products
The company specializes in manufacturing high-strength standard parts, bolts, welding nuts, retaining rings, rivets, and other products
Specializing in custom manufacturing for many years
Specializing in the production of high-strength standard parts, bolts, welding nuts, retaining rings, rivets, and more—products tailored for industries such as automotive and refrigeration compressors.
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Established
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 backbone enterprise in the district, the factory specializes in manufacturing high-strength standard components, including bolts, welding nuts, retaining rings, rivets, and more—products widely used in the automotive and refrigeration compressor industries. Currently, the company offers over 200 varieties of high-strength bolts ranging from Grade 8.8 to Grade 12.9, all produced using advanced, chlorine-free, and decarbonization-free bright heat-treatment processes. These products are supplied to more than ten major domestic automakers and have earned recognition from customers as a premium-quality supplier partner...
ADVANTAGE
WHY CHOOSE US
Our strengths
Specializing in the production of high-strength standard parts, bolts, welding nuts, retaining rings, rivets, and more—products tailored for industries such as automotive and refrigeration compressors.
View detailsYears of industry production experience
Factory-supplied, with a wide variety of products and styles to meet your one-stop shopping needs.
Human-centered management model, rigorous testing methods.
Providing customers with high-quality products
We have extensive industry experience and offer short lead times for delivery.
Real materials, great-to-use products
Thoughtful service support
Product quality and service have both been widely recognized and trusted by users.
Customized design to meet your needs
24-hour after-sales response with thoughtful, attentive service
Shopping assistance and technical guidance to make your selection even easier.
Logistics company handles transportation, with a signed contract ensuring protection—damage fully compensated.
Latest Blog
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05
2026
The Fascinating Journey of Flat Washers in Hardware: From Ancient Origins to Modern Innovations
The Fascinating Journey of Flat Washers in Hardware: From Ancient Origins to Modern Innovations Table of Contents Introduction to Flat Washers The Historical Origins of Flat Washers The Evolution of Flat Washer Design Materials Used in Flat Washers The Role of Flat Washers in Construction Modern Innovations in Flat Washers Challenges and Considerations in Flat Washer Use Future Tr
View details05
2026
High-Strength Flange Hex Bolts with Washers: A Comprehensive Safety Guide for Optimal Performance
High-Strength Flange Hex Bolts with Washers: A Comprehensive Safety Guide Table of Contents Introduction to High-Strength Flange Hex Bolts What Are High-Strength Flange Hex Bolts? Benefits of Using Flange Hex Bolts with Washers Material Specifications for High-Strength Flange Hex Bolts Common Applications of Flange Hex Bolts Installation Best Practices for Optimal Performa
View details05
2026
Essential Guide to Maintaining and Caring for Your Hex Socket Bolts: Tips and Best Practices
Essential Guide to Maintaining and Caring for Your Hex Socket Bolts Maintaining your hex socket bolts is crucial for ensuring their longevity and performance. These versatile fasteners are used in various applications, from automotive to construction, and require proper care to function effectively. In this comprehensive guide, we will delve into effective strategies and best practices for **carin
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Contact Us
Sun Erdi:86-13757701566
Sun Xianglin:86-15988797777
Switchboard:86-577-86374313
Phone:86-577-86893778
Fax: 86-577-86880829
Email:254421787@qq.com
Address: No. 159 Airport North Road, Longwan District, Wenzhou City, Zhejiang Province
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