• Zongda Springs banner showing metal spring products and a factory building, with the message “Engineered Spring Solutions.”
  • Zongda Springs banner showing flat spiral springs and metal sleeves for custom spring manufacturing.

ABOUT


About Zongda Springs

34+ Years of Expertise in Spring Solutions

Founded in 1992, Ningbo Zongda Electrical Spring Co., Ltd. specializes in power springs, recoil springs, constant force springs and custom spring solutions, supporting customers from engineering and prototyping through mass production.

Zongda spring manufacturing facility producing power springs, recoil springs and constant force springs
ABOUT ZONGDA

PRODUCT


Featured Power Springs

Engineered for different torque, retraction and application requirements.

Garden Hose Reel Power Spring
Vacuum Cleaner Cord Reel Spring
Automotive Service Reel Power Spring
Balancer Power Spring
Vacuum Cleaner Cord Reel Power Spring
Recoil Spring for Rowing Machine
Hose Reel Power Spring
Multi-Layer Spring
VIEW ALL PRODUCTS

CAPABILITIES


Why Choose Zongda

Engineering expertise, integrated manufacturing and reliable production.

Zongda spring manufacturer with 34+ years of experience, 36 patents and an 18,000+ m² manufacturing facility
Zongda spring manufacturing capabilities with 1.8 million springs monthly capacity, own steel strip facility and 200+ production machines and 130+ employees
EXPLORE OUR CAPABILITIES

INDUSTRIES


Applications

Power springs for motion, retraction and torque across industries.

Power spring for garden hose reel retraction systems
Power spring for vacuum cleaner cord retraction systems
Power spring for automotive service hose and cable reel retraction systems
Power spring for fitness and rehabilitation equipment retraction systems
Recoil starter spring for small engines and starter mechanisms
1. Custom springs for shelf pushers, retractors, window shades, cable reels and other applications

PROCESS


How We Work

From your requirements to production-ready spring solutions.

Spring development process from customer requirements to engineering design
Spring development process from prototyping to mass production

CERTIFICATE


Certified Quality

Quality Systems · Certifications · Industry Recognition

ISO 9001 Quality Management System Certificate of Ningbo Zongda Electrical Spring Co., Ltd.
Work Safety Standardization Certificate of Ningbo Zongda Electrical Spring Co., Ltd.
Work Safety Standardization Certification awarded to Ningbo Zongda Electrical Spring Co., Ltd.
China General Machine Components Industry Association membership certificate of Zongda
High-Tech Enterprise Certificate awarded to Ningbo Zongda Electrical Spring Co., Ltd.
Ningbo Specialized and Innovative Enterprise Certificate awarded to Zongda
National Technology-Based SME Certificate awarded to Zongda
Qualified Supplier Certificate from Midea Vacuum Cleaner awarded to Zongda
1. Ningbo Science and Technology Innovation Association membership certificate of Zongda
FIND OUT MORE
Custom spring project support from design and engineering to production at Zongda