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High-quality Custom Plastic Machining First Cut Machining CNC Machining Service supplied by Yueqing Dofo Spring Manufacturing Co., Ltd.. Bulk wholesale pricing is negotiable. Inquiry for latest prices.
15-20 Working Days
20000
73269090
CE, RoHS, ISO9001
CIF, FOB, CFR, EXW
Carton and Wooden Canses
China
Customized
15-20 Working Days
20000
73269090
CE, RoHS, ISO9001
CIF, FOB, CFR, EXW
Carton and Wooden Canses
China
Customized
DF2203061
DIN, ASTM, GOST, GB, JIS, ANSI, BS
Eco Friendly
ISO9001, SGS, RoHS, CE,
Iron, Stainless Steel, Carbon Steel
LC, T/T, D/P, PayPal, Western Union, Small-amount payment
Metal Processing Machinery Parts, Metal forging Machinery
New
Ningbo Port
OEM
OEM/ODM
Random Sample Testing
Rapid CNC Machining Service
Stainless Steel
Yes
customized as per the drawing
China
Not specified
Not specified
1999-05-27
Not specified
97
LC, T/T, D/P, PayPal, Western Union, Small-amount payment
CIF, FOB, CFR, EXW
Ningbo Port
High Technology company certificate, ISO14001 certificate, ISO9001, Kejixingqiye, OHSAS18001 certificate, Spring engineering research center, TS16949 certificate
custom plastic machining first cut machining cnc machining service
#1 ATTN: Read This Before BuyingA. Due to the internet and computer display solutions. The actual products may differ from
the pictures. Please contact our salesmen for further assistance.
B. All the extension springs, compression springs, torsion springs, wire forms can be made in customized demands.
C. We appreciate Drawing-Guide Production, Please send us a spring drawing as possible as you can when you inquiry.
D. We appreciate your inquiries and you are welcome all the time!
For a better understanding of your demand, please learn the basics of torsion spring manufacturing.
#2 Working Drawing of a torsion spring
#3 Different Shapes of Helical Torsion Springs
Torsion springs typically fall into two main categories: single-coil and double-coil. Double-coil torsion springs consist of two individual single-coil springs joined together. When used in combination, they generate twice the twisting force compared to a single spring alone.
| Coating Method | Cost | Does it Meet the RoHS requirement? | Remark |
| Unplated | None | Yes | |
| Anti Rust Oil | Lowest | Yes | |
| Black Oxide/Oxide | Lower | Yes | |
| Normal Zinc coating | normal | No | |
| Trivalent Zinc coating | High | Yes | Normally 8~10μ thickness, 48 hours without white rust |
| Nickel Plated | normal | Yes | |
| Electrophoresis | Higher | Yes | |
| Painting | Very High | Yes | require a longer delivery time |
| Stainless steel Washing | normal | Yes | |
| Stainless Steel Electro-polish | Highest | Yes | This coating cost more than the others |






Supplier Review
Summary by Vivian
TRUST STARS
3.7/5
0 Reviews
Company Verification
0/4
Profile Completeness
67%
Avg. Product Score
0/5
Responsiveness
0%
Certification
High Technology company certificate, ISO14001 certificate, ISO9001, Kejixingqiye, OHSAS18001 certificate
You can contact verified China supplier Yueqing Dofo Spring Manufacturing Co., Ltd. through platforms like Freshdi.com to purchase Custom Plastic Machining First Cut Machining CNC Machining Service. For direct inquiries, please contact Mr. Lucas, the company’s representative. The supplier has a 3.7-star rating on Freshdi and has verified. You’ll receive product details, pricing, and shipping terms directly from supplier.
For Custom Plastic Machining First Cut Machining CNC Machining Service, Yueqing Dofo Spring Manufacturing Co., Ltd. accepts LC, T/T, D/P, PayPal, Western Union, Small-amount payment as the preferred payment method, the trade term is CIF, FOB, CFR, EXW, and shipments are typically arranged from port Ningbo Port, ensuring secure and timely international delivery.
The supplier Yueqing Dofo Spring Manufacturing Co., Ltd. offers Custom Plastic Machining First Cut Machining CNC Machining Service at negotiation.
Custom Plastic Machining First Cut Machining CNC Machining Service is sourced from China and meets international export standards. Key specifications include: Customized: Customized, Trademark: OEM, Origin: China, Standard: DIN, ASTM, GOST, GB, JIS, ANSI, BS, Coating: Eco Friendly, Certification: CE, RoHS, ISO9001, Trade Term: CIF, FOB, CFR, EXW, Payment Term: LC, T/T, D/P, PayPal, Western Union, Small-amount payment
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Negotiable
Min. order: Negotiable
Mr. Lucas
Year Established: 1999-05-27
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