Changzhou Liyu spring Co., Ltd., founded in 1994, is located in
Jincheng Town Industrial Park, Jintan District, Changzhou City,
with convenient transportation.
The company specializes in producing compression spring, tension
spring, torsion spring, scroll spring, spring contact finger,
spring clamp, heating wire spring and cold bending special-shaped
spring, focusing on various precision small springs with wire
diameter of Φ 0.1 ~ Φ 6 mm.
The company has 10000 square meters of factory building, with dust-free workshop, ordinary workshop and automatic packaging workshop, etc., to meet the production, control and packaging requirements of different products;
The company introduces advanced technology, adopts full set of
automatic production equipment and quality inspection equipment,
and has more than 200 sets of various computer spring machines and
testing equipment;
It mainly serves automobile, medical, products, electric tools and
other industries, and has passed the ISO 13485, iatf16949 and other
international quality system certification.

| Company Name: | Changzhou Liyu spring Co., Ltd |
|---|---|
| Business Type: | Manufacturer |
| Brands: | Liyu |
| Employee Number: | 50~100 |
| Year Established: | 1994 |
| Total Sales Annual: | 5000000-10000000 |
| Company Location: | No. 6, Houguan Road, Jincheng Town Industrial Park, Jintan District, Changzhou City |
| Factory Location: | No. 6, Houguan Road, Jincheng Town Industrial Park, Jintan District, Changzhou City |
Changzhou Liyu spring Co., Ltd
Professional OEM & ODM Spring Manufacturing Services
As a professional spring manufacturer, we provide comprehensive OEM and ODM services to customers worldwide, supporting a wide range of industries and applications. Whether you have complete engineering drawings or only a product concept and performance requirements, our experienced engineering team is ready to assist.
OEM Services
We manufacture products based on customer drawings, samples, or technical specifications, ensuring strict control over dimensions, material properties, and product quality. Our efficient production capabilities guarantee consistent quality and reliable supply for both small and large-volume orders.
ODM Services
For customers seeking product development support, we offer design optimization, material selection, spring force calculation, prototype development, and performance testing. Our engineering expertise helps reduce development costs, shorten lead times, and accelerate product launch schedules.
From concept and prototyping to mass production, we provide complete one-stop manufacturing solutions, delivering quality, efficiency, and long-term value to our customers worldwide.


Professional Precision Spring Manufacturer
We are a modern manufacturing company specializing in the design, development, and production of precision springs and wire form products. Committed to delivering high-quality and reliable spring solutions, we serve customers across various industries worldwide. Our product portfolio includes compression springs, extension springs, torsion springs, wave springs, retaining rings, wire forms, flat springs, and a wide range of custom metal spring components.
Equipped with advanced CNC spring forming machines, automated production systems, and comprehensive inspection equipment, we ensure exceptional precision, mechanical performance, and product durability. Every stage of production, from raw material sourcing to final inspection, is strictly controlled to maintain consistent quality and reliability.
Our products are widely used in automotive, s, medical devices, industrial machinery, telecommunications, renewable energy, and consumer products. With extensive OEM and ODM experience, we provide one-stop solutions from design optimization and prototype development to mass production based on customer drawings, samples, or technical specifications.
Guided by the principles of quality, innovation, and customer satisfaction, we are dedicated to delivering competitive products, reliable service, and long-term value. Our goal is to become a trusted global partner for precision spring manufacturing and custom spring solutions.
Professional and Experienced Engineering & Management Team
We have a dedicated team composed of engineers, production managers, quality control specialists, and international sales professionals. With extensive experience in spring design and manufacturing, we provide full-process support from product development to mass production.
1. Engineering & R&D Team
Responsible for product design, spring force calculation, material selection, and process optimization to ensure high performance and manufacturability of custom spring solutions.
2. Production Management Team
With years of experience in precision manufacturing, our team ensures efficient production scheduling and stable on-time delivery.
3. Quality Control Team
Equipped with advanced testing instruments, we strictly inspect raw materials, production processes, and finished products to meet international standards and customer requirements.
4. Sales & Customer Service Team
Experienced in international trade, our team provides fast response, professional communication, and project follow-up to ensure smooth cooperation.
Through teamwork and continuous improvement, we are committed to delivering better quality products and services, becoming a trusted long-term partner for our global customers.

One-Stop Precision Spring & Metal Component Manufacturing Services
We provide comprehensive manufacturing services for precision springs and wire form components, covering the entire process from product development and prototyping to mass production and global delivery.
1. Custom Product Development
We develop compression springs, extension springs, torsion springs, retaining rings, wire forms, and other custom spring components based on drawings, samples, or application requirements.
2. OEM / ODM Manufacturing Services
We support both OEM (production based on drawings or samples) and ODM (design and development) services, delivering high-precision and high-performance custom solutions.
3. Prototyping & Testing
Fast prototyping services with comprehensive testing, including dimensional accuracy, load performance, and fatigue life to ensure product reliability.
4. Mass Production & Delivery
Strong and stable production capacity ensures consistent quality and flexible lead times for both small and large-volume orders.
5. Quality Inspection & Control
Strict quality management from raw materials to finished products, using advanced inspection equipment to meet international standards and customer requirements.
6. Global Shipping & Export Support
Professional packaging and logistics solutions ensure safe and efficient delivery to customers worldwide.
| Market name: | North America,South America,Western Europe,Eastern Europe,Eastern Asia,Southeast Asia,Middle East,Africa,Oceania,Worldwide |
|---|---|
| Contact Person: | Zhiyuan Yu |