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.
View details
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
Step into Qiancheng Auto Parts and stay updated on our latest news and developments.
02
2026
A Comprehensive Guide to Flange Bolt Specifications: Everything You Need to Know
A Comprehensive Guide to Flange Bolt Specifications Flange bolts serve as essential components in a variety of construction and mechanical applications. Understanding their specifications can significantly affect the efficiency and longevity of projects. This guide delves into the key aspects of flange bolts, including their types, materials, applications, and installation techniques. Table of Con
View details02
2026
Understanding Flat Washers: Essential Components for Construction and Manufacturing
Flat washers are fundamental components in the hardware and construction industries, serving a variety of essential purposes. These simple yet effective devices are typically made from materials such as steel, stainless steel, plastic, or rubber, and are used to distribute loads, prevent loosening, and provide a flat surface for fastening components together. Understanding how to effectively use f
View details02
2026
How to Choose the Right Hex Socket Bolt for Your Needs: A Comprehensive Guide
How to Choose the Right Hex Socket Bolt for Your Needs Choosing the appropriate hex socket bolt is crucial for ensuring the durability and functionality of your projects. Whether you are a DIY enthusiast, a professional contractor, or a hobbyist, understanding the different aspects of hex socket bolts can significantly enhance your work quality. This comprehensive guide will explore everything you
View detailsLeave a Message
Learn about the newly released product information
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
Longwan Qiancheng Auto Parts Factory, Powered by 300.cn SEO