| Function: | Pressed, Phonation, Buffer, Drive, Restoration, Measurement |
|---|---|
| Material: | Steel |
| Usage: | Industrial, Auto, Furniture, Motorcycle, Home Appliance |
| Load Type: | Compression |
| Production Process: | Hot Roll |
| Shape: | Cylinder |
| Samples: |
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| Customization: |
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Audited Supplier 
Hot Selling Customized Spiral Torsion Mechanical Constant Force Steel Spring
High-quality spring steel, can be customized
| Material | Carbon Steel, Stainless Steel, Alloy Steel, Cold Rolled Steel, Copper Wire,etc. |
| Wire Diameter | 0.1mm-60mm |
| Surface treatment | Zinc, Chrome, Nickel, Tin, Powder coating, Oxide black, Phosphorization, Darcolo, etc |
| Application | Automobiles/Electrical Appliances/Industry/Machinery/Furniture/Toys/Fitness Equipment/Medical Equipment/Construction, etc. |
| Certification | IATF 16949:2016,SGS,ROHS, ISO9001 |
| Package | Inner plastic bag, outer carton and wooden, can be customized according to customer requirements |
Our company Hangzhou Chaotuo Electric Automation Co., Ltd ,was founded in 2001, with more than 20 years of hardware manufacturing experience, the main production: Fan shield, Shang Chao household hardware products and all kinds of high-strength fasteners, as well as fans and accessories, we have engaged in fan supporting for many years of production and management experience, accept OEM/ODM, the company has successfully passed the ISO 9001 quality management system certification, in addition to obtained 20 patented products and technologies, We are always committed to providing quality products and services to our customers and will continue to strive to stay ahead of the game.
1. Q:Are you trading company or factory?
A:We are factory has more than 20 years experiences on manufacturing.
2.Q; Can you do the design for us?
A: Yes. We have a professional team having rich experience in design and manufacturing.
3.Q:CanI get a sample?
A:Of course,but you may need to pay shipping fee.
4.Q:What certificates your products have?
A:Most of our products have CB, CE, ETL, ROHS and BSCI certificates.
5.Q:What's your delivery time?
A:OEM/ODM products will be shipped within 30-35 days
6.Q:About after-sales service?
A:General enquiries are handle within 24 hours .For anyquestion, please contact us immediately,we are going to offer our best service to you at anytimes.
Suppliers with verified business licenses
Audited Supplier 
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