Do you offer stock services for large quantity orders?

Yes, our warehouse provides specific stock service for long-term business. You can schedule shipments on an annual or monthly basis.

What payment terms do you accept?

We accept T/T, L/C at sight, DP, PayPal, Western Union, and small-amount payments.

OEM Manufacturer 5 Inches Carbon Steel Pull Spring with Special Ends

Name: OEM Manufacturer 5 Inches Carbon Steel Pull Spring with Special Ends
Brand: Yueqing Dofo Spring Manufacturing Co., Ltd.
SKU: 791733592

Zhejiang, ChinaYueqing Dofo Spring Manufacturing Co., Ltd.

US$0.20-1.00

10,000 Pieces

Sample price:US$80.00/piece.Request sample

Product profile

Customization

Available

Function

Pressed, Buffer

Material

Steel

Model NO.

DF2012085

Usage

Industrial, Auto, Motorcycle, Home Appliance

Load Type

Extension

Production Process

Cold Roll

Shape

Coil

Product Name

Pull Spring 120

Business Mode

Factory OEM

Material Standard

GB 4357-09 or Equivalent

Wire Range

From Min 0.1mm(0.004inch) to Max 12mm(0.48inch)

Winding Direction

Left and Right

End Type

Different Hooks Available

Surface Treatment

Electrophoresis

Coating Thickness

8~10 Micrometer

Testing Method

Random Sample Inspection

Tolerance

GB Standard, Grade II or as Per Your Requirement

Spring Rate Tolerance

+-3%~10%

Aql Level

Aql 1.0

Packing Method

OPP Bags with Blank Carton

Normal Carton Size

23X23X31/Cm with No Mark

Certificate

ISO9001, SGS, RoHS, CE, Ts16949

Transport Package

Carton and Outer Wooden Case

Specification

customized

Trademark

DOFO

Origin

Wenzhou, China

HS Code

7320909000

Production Capacity

1, 000, 000 Pieces Per Month

Key features

Customizable End Types: Various hooks, eyes, loops, and special ends available to meet specific application needs.

RoHS Compliant Coatings: Offers electrophoresis, trivalent zinc, and other coatings meeting strict environmental standards.

OEM/ODM Manufacturing: Factory direct OEM service with support for custom designs, drawings, and prototypes.

Wide Material Range: Manufactures springs from carbon steel, stainless steel, and music wire with diameters 0.001-0.075 inches.

Fast Lead Time: Standard custom springs delivered within 25 days; complex shapes within 30-40 days.

Sample Charge Refundable: Sample fees are refunded upon placement of a formal order, reducing initial testing costs.

Professional Design Support: Engineers provide initial design assistance, CAD/3D layouts, and cost-reduction advice.

Flexible Order Quantities: Accommodates both small quantity and large run orders based on customer demand.

Company profile

High Repeat Buyers ChoiceIn-stock Capacity100% Finished Products InspectionQuality Assurance

Yueqing Dofo Spring Manufacturing Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 26 Years CertifiedNearest Port: Ningbo PortAverage Response Time: ≤0.45h

AI-Powered supplier vetting

SummaryThe supplier is a professional technical supplier with a strong emphasis on research and development, evidenced by their ability to provide 3D software design services and ODM capabilities. They hold several important certifications, enhancing their global competitiveness, but lack overseas warehouse and showroom capabilities. Though they have a comprehensive after-sales service protocol, their financial records over the last three years indicate zero revenues and profits, raising concerns about financial credibility. Their production capabilities are supported by valid contracts and in-stock services, though their presence in overseas markets is limited. They offer extensive customization services and have a structured approach to quality control, but do not handle OEM services for popular brands. Overall, their innovation and customization strengths are notable, yet financial and overseas market limitations may impact their future growth potential.

Supplier typeThe supplier is a professional technical supplier with R&D capabilities and a focus on innovation, having expanded their product range significantly over 20 years of development.

CertificationsThe supplier holds ISO9001, TS16949, ISO140001, OHSAS18001, and BV certifications, indicating a strong compliance and quality management framework.

After-Sales capabilityThe supplier has clear procedures and records for handling customer complaints and corrective actions, along with a quality assurance and traceability framework.

Financial creditThe supplier's financial records show zero operating revenues, costs, and profits over the last three years, indicating significant financial credibility concerns.

R&D capabilityThe supplier demonstrates strong innovation capability with evidence of new product development and ODM services, although they lack SDK availability.

Customization capabilityThe supplier offers extensive customization services, ranging from full to minor and flexible customization, demonstrating strong design and adaptation capabilities.

Client casesThe supplier does not provide OEM services for popular brands, which may limit their exposure to high-profile customer cases.

Product Q&A

Q:Which materials are available and do they meet RoHS certification?

We manufacture springs from Carbon steel, Stainless steel, and Music Wire. All materials comply with the RoHS standard. Wire diameters range from 0.001 to 0.075 inches.

Q:Do you support small quantity orders?

Yes, we manufacture both large quantity and small quantity springs based on your specific demand. We work with you to choose the most effective solution.

Q:Does DOFO Spring offer design service or initial assistance?

Our engineers provide initial design assistance to lower production costs. We offer CAD, 3D, and 2D design layouts as well as prototype development.

Q:What is the typical lead time for custom springs?

For standard springs in our mold range, delivery is within 25 days. For complex shapes, the delivery time is around 30-40 days.

Q:Do you charge for custom spring samples?

Sample charges are refunded when we receive the formal order. However, if the sample requires an additional mold, we will charge for it.