Jiangsu Sunzo Spring Elasticity Technology Co., Ltd
Beyond Products, Complete Solutions.
Jiangsu Sunzo Spring Elasticity Technology Co., Ltd. is a mixed-ownership enterprise established with the participation of China National Nuclear Corporation. The R&D center is located in Nanjing, Jiangsu, while the production base is situated in Sihong, Jiangsu.
Sunzo specializes in the research and development, production, and sales of high-quality elastic components such as disc springs, disc washers, and wave springs. The products are applied in various fields including nuclear power, aviation, aerospace, mili-tary, hydrogen energy, ultra-high voltage, automotive, wind power, shipping, construction bridges, petrochemical, construction machinery, metallurgy, and more.
Sunzo has established in-depth cooperative relationships with several key universities and is a quality partner to many leading companies in the industry. The company boasts a professional product R&D team and a modern testing center. Sunzo has participated in the formulation of international ISO disc spring standards and national standards. The company has successively passed various quality management system certifications, including ISO 9001, IATF 16949, ISO14001, ISO45001, and has obtained over 40 patents. It possesses a complete industrial chain from raw materials to specialized equipment and product manufacturing. The company's environment is beautiful with complete facilities, spanning an area of 60 acres, and it owns multiple self-developed production lines. Sanzhong is dedicated to providing the best elastic technology solutions tailored to customer needs, earning the trust of various high-end clients both domestically and internationally.
- SUNZO has it’s own researching and development team and test center, has participate in rule-making of the latest national industry standards and the international ISO standards for disc springs.
- SUNZO has passed certificate including: ISO 9001,IATF 16949,ISO14001,ISO45001, and has got more than 40 patent of inventions.
- Owns core competitiveness, has a full set of industrial chain from key materials to key equipment and produce quality products.
- SUNZO has a beautiful working environment and full set of production equipment, has an area of 60 mu, own several production lines researched independently.
SUNZO can provide the best elasticity technology solution according to customer requirement, earned good reputation and trust from clients home and abroad.
SUNZO has more than 200 large punching machine and CNC machine tools
SUNZO provide you with product cleanliness inspection, inspection and analysis of material capability and life Testing.
10W+ Floor Area/Square Meters
The Sunzo Spring Elastic R&D Center is located in Nanjing, Jiangsu Province, with its production base situated in Sihong, Jiangsu. The production center is equipped with comprehensive supporting facilities, covering a total area of over 100,000 square meters. The company possesses multiple self-developed production lines and maintains a complete industrial chain from raw materials to finished products, providing solid assurance for the manufacturing of high-quality elastic components.
190+ Enterprise Employees/Personnel
Sunzo Spring Elastic has assembled a professional and efficient team covering multiple functions such as R&D, production, sales, and quality. The company emphasizes talent development, maintains in-depth collaboration with several key universities, continuously optimizes its talent structure, and ensures industry leadership in technological innovation and product manufacturing.
70+ Patent Technology/Item
The company possesses strong technical capabilities, having obtained over 70+ patents and participated in formulating the GB and ISO standards for disc springs. Certified by ISO9001, IATF16949, and other qualifications, Sunzo Elastic provides high-precision elastic components for nuclear power, aviation, military industry, and other fields, demonstrating significant technical advantages.
10% Technical Talents/Proportion
The company possesses a professional product R&D team and a modern testing center, with a high proportion of technical talents, continuously driving industry innovation. Leveraging university collaboration resources, the company optimizes its talent echelon to maintain technological leadership in high-end elastic components such as disc springs and wave springs.
Customer First, Service as the Bridge
In the field of industrial elastic components, Jiangsu Sunzo Spring Elasticity Technology Co., Ltd. (hereinafter referred to as "Sunzo Spring") has always adhered to the core philosophy that "customer satisfaction is our eternal pursuit." It is driving industry transformation through innovative service models. In June 2025, we will conduct a semi-annual customer satisfaction survey, accompanied by four major upgrade initiatives: establishing a regional rapid-response service network, building a "cost-quality-delivery" trinity competitive system, creating a customer demand data conversion mechanism, and setting up a dedicated customer service hotline. These actions collectively form a complete closed-loop of Sanzhong Elastic's "customer-centric" strategy, ensuring that each survey serves as a new starting point for service upgrades.
Service Network Reconstruction Plan
1. Regionalized Service Matrix
Establish regional sales & service centers
Each region is equipped with corresponding sales engineers to ensure the achievement of the "5-50-100" response standard:
✓ 5-minute work order confirmation
✓ On-site arrival within 24 hours for a 50-kilometer radius (for orders requiring customer visits/services)
✓ 100% issue documentation and tracking
2. Whole-Process Time Efficiency Control System
Pre-Sales Phase:
• 24-hour technical consultation response (including non-working days)
During-Sales Phase:
• Key node quality inspection report push
After-Sales Phase:
• 24-hour issue diagnosis
• 48-hour solution implementation
The "Cost-Quality-Delivery" Trinity Competitive System
In-depth Application of Satisfaction Surveys
1. Three-Dimensional Diagnostic Model
Product Dimension: Material Performance / Operational Condition Adaptability
Service Dimension: Response Efficiency / Professionalism
Strategic Dimension: Technology Needs for the Next 3 Years
2. Data Transformation Mechanism
Establish a Customer Demand Research Center
Create a "Problem-Improvement-Validation" Closed Loop:
✓ Provide improvement solutions within 30 days
✓ Release quarterly optimization achievement reports
Exclusive Customer Service Hotline
Scan the QR code below to collaborate with Sunzo Spring in shaping more excellent elastic component solutions!
Jiangsu Sunzo Spring Elasticity Technology Co., Ltd. is a mixed-ownership enterprise established with the participation of China National Nuclear Corporation. The R&D center is located in Nanjing, Jiangsu, while the production base is situated in Sihong, Jiangsu.Sunzo specializes in the research and development, production, and sales of high-quality elastic components such as disc springs, disc washers, and wave springs.
