Piano steel wire tension spring, fitness tension spring, galvanized automatic door tension spring, hook tension spring, non-standard custom manufacturer
Premium Customized Tension Springs for Automotive and Industrial Use
When it comes to high-performance tension springs, our Customized LSTH Series stands out as a top choice for automotive and industrial applications. Designed for durability and precision, these springs are engineered to meet your exact specifications.

Why Choose Our Tension Springs?
Our tension springs offer:
- Custom specifications based on your requirements
- Multiple material options for different applications
- High tensile strength up to 50,000,000
- Precision engineering for consistent performance
- Available in various winding directions
Customization Options
Every aspect of our tension springs can be customized:
- Wire diameter
- Outer diameter
- Inner diameter
- Pitch
- Free height
- Winding direction
Applications
Our high-quality tension springs are perfect for:
- Automotive components
- Industrial machinery
- Fitness equipment
- Automatic door systems
- Specialized mechanical applications
Ordering Information
We offer both sample orders and bulk production. Our manufacturing process includes:
- Sample production for testing and approval
- Custom manufacturing based on your drawings or samples
- Quality assurance at every production stage
For more information about our custom tension springs or to request a quote, please contact our sales team today.