Ningbo Yunsheng Elastic Components Co., Ltd is a professional manufacturer of springs and steel strip , our Flat springs are made of flat strip steel and are used in many applications and are ideally suited for applications where space is limited or where the spring can be used as part of mounting assembly. The flat spring design allows forming of specific features and profiles for a unique application and mounting location. 

Spring Application:

• Vacuum cleaners
• Hose / Cable Retractors
• Clockwork starter motors
• Retractable dog leashes
• Hose retractors
• Seat belts
• Rowing machines
• Spring back abdominal wheels
• Balancer
• Large machinery
• And so on

• auto piston ring 
• strip for spring 
• car oil level steel strip 
• pen clip 

Custom Flat Spring is welcomed . 

If you have an application for a flat spring, a new product or just need some advice about springs, our technical engineers are here to help you. We make every effort to respond to our customers with fast, accurate and useful information.  

welcome to contact with us ,thanks.