In Stock
Fast Dispatch
Min Order：
Once e-Contract is confirmed Buyer and supplier, Comb2b.com will:
1 ) offer Buyer a designated Bank Account for making payment,Once e-Contract is confirmed Buyer and supplier, Comb2b.com will:
1 ) Recommend the below Digital Currency Exchange for buyers to convert local currency to USDT / USDC.1. Spring Specification
Dimension: |
1. Material: high carbon spring steel; music wire; stainless steel(SUS301,302,304,316,201,202);alloy steel(60Si2MnA,55CrSi,50CrV,60SiCr8A);copper wire ,iron wire （Q235）,Titanium |
2. Wire Diameter: 0.1-65.0mm |
3. Surface treatment: become black, Zinc/ Nickel/Silver/Golden/Tin plated ,polishing ,anti-rust oil, passivation ,powder coating, shot blasting |
4. Certification: ISO9001:2000, ROHS |
5.Packing :Inner plastic bags and outer cartons ,shipping with plastic pallet |
6. Can made by your drawings, sample and dimension |
Formula: |
1) OD=ID+d (OD: outside diameter; ID=inside diameter; Dm=mean diameter; d=wire diameter) |
2) F=Gd4*f/8Dm3Nact (F= load; G=gravity; f=deflection; Nact=active number of coil) |
3) F'=F/f (F'=Spring rate) |
4. Our service
Sample order: we supply you free sample and can be shipped in 3 days
Our promise: Send you a workable price;
Delivery in time;
Service you in lifetime for free;
Full refund if substandard goods
5. Company Information
Why choose us???
15 Years Industry Experience
Professional Team
0 Customer Complaints for 8 Years
Good after-sales service
Our Team:
100 employees,including 5 engineers,10 spring technologist ，8 marketing ,6 inspector
supply OEM&ODM service for the spring
Our Workshop：
Introduction of advanced production equipment,more than 50 sets of the computer automatic spring coiling machine,spring temper furnace , spring grinder machine etc.
Our Testroom:
All our spring is by the First inspect before mass production ,inspect during mass production ,inspect before packing ,inspect before delivery
The quality of our spring is guaranteed
Our Warehouse:
Perennial supply the spring for electric tools, bicycle,washing machine ,air compressor , these springs can be shipped within three days
6. FAQ
How to order:
* Inquiry --send us your drawing or sample, if you don’t have, we carry through project assessment together, supply ODM
*Quotation: send you more details (price, sample information, payment term, delivery time, etc.)→OK
* Sample-making：You confirm the sample →OK
* Order: you pay the deposit →we start the mass production →inform you the production schedule →finished
compression spring
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