Power Your Motion with Precision – High-Quality Torsion Springs!

Yes, Bosswinn is a professional manufacturer specializing in precision torsion ramp springs. With over a decade of industry experience, we serve a wide range of applications including automotive mechanisms, industrial assemblies, and mechanical actuators. Our vertically integrated production system includes: Advanced wire coiling and torsion forming lines CNC torsion spring winders and torque-setting machines In-house heat treatment and stress relieving Specialized labs for torque, cycle life, a

Bosswinn torsion ramp springs are widely used in: Automotive Systems: Clutch assist mechanisms, gear shift detents, seating assemblies Industrial Equipment: Loading ramps, control arms, cam mechanisms Agricultural Machinery: Gate latches, spring-loaded arms Medical Devices: Adjustable support hinges, torque-sensitive components Custom Assemblies: Precision force control in rotating and pivoting systems

Standard models: 10-20 working days Custom designs: 20-35 working days, based on tooling and volume Urgent projects: Expedited manufacturing is available upon request Production is tracked with ERP systems for real-time progress updates.

Prototype & New Clients: 100 pcs or fewer Mass Orders: 5,000-10,000 pcs (optimal cost and efficiency) Custom Projects: MOQ depends on complexity and setup cost We remain flexible to support your project stage and demand scale.

T/T (Telegraphic Transfer): 30% deposit, 70% before shipment L/C: Available for large-scale or government projects Western Union / MoneyGram: Suitable for small batches or samples Custom terms can be arranged for long-term partners.