If we order large quantity springs, will you house the springs, wire forms, and ship to us based on a required basis?

Our warehouse provides specific stock services for long-term business. You can make your shipment schedule on an annual, monthly basis. We will ship on a specific schedule.

What payment term do we accept for spring orders?

We could accept payment terms based on T/T, L/C at sight, DP, Westunion.

Custom 1.5 Inch Pole Metal Open Curtain Rings

Name: Custom 1.5 Inch Pole Metal Open Curtain Rings
Brand: Yueqing Dofo Spring Manufacturing Co., Ltd.
SKU: 1991162715

Zhejiang, ChinaYueqing Dofo Spring Manufacturing Co., Ltd.

US$0.10-1.00

3,000 Pieces

Product profile

Customization

Available

After-sales Service

Yes

Warranty

30 Days

Model NO.

DF2205013

Material

Iron

Metal Type

Iron, Stainless Steel

Color

Silver, Black

Sizes

Customization

Eyelet Customization

Available

Welding

Available

Coating

Eco Friendly

Surface Treatment

Unplated, Chrome, Zinc Coating

Certificate

ISO9001, SGS, RoHS, CE, Ts16949

Production Lead Time

15-20 Working Days

Packing Method

OPP Bags and Cartons

Inspection

Random Sample Testing

Service

OEM/ODM

Transport Package

Carton

Specification

customized

Trademark

Origin

China

HS Code

83024100

Production Capacity

1000000

Key features

Customizable Metal Types: Available in Iron and Stainless Steel to meet specific project needs.

Customizable Colors: Offered in Silver and Black with options for other custom colors.

Customizable Sizes: Sizes can be customized to fit unique application requirements.

Customizable Eyelets: Eyelet customization is available for tailored curtain ring designs.

Customizable Coating: Eco-friendly coating options including Chrome, Zinc, and Unplated finishes.

RoHS Compliant Materials: All materials and coatings comply with RoHS environmental standards.

OEM/ODM Service: Full OEM and ODM services available for custom spring manufacturing.

ISO9001 Certified: Manufacturing process certified by ISO9001, SGS, and CE standards.

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: ≤2.24h

AI-Powered supplier vetting

SummaryThe supplier presents itself as a professional technical supplier with 3D design, R&D, ODM, and broad customization capabilities. It reports structured production, testing, packing, quality-control, traceability, corrective-action, and complaint-handling procedures, as well as valid contracts with associated subcontractors and inventory capability. Export experience is stated at 26 years, with self-operated import/export rights and 21%–30% of sales from exports. However, it has no overseas warehouse, showroom, agents, or branches, and reports no offline trade-show participation. Certification holdings are explicitly described in the company profile, but current validity is not independently established. Financial credibility cannot be assessed because the supplied financial fields contain zero values. Customer cases and named customer references are not provided.

Supplier typeThe supplier is explicitly identified as a professional technical supplier and describes a mature structure covering management, design, production, testing, and packing. It also has valid manufacturing contracts with associated subcontractors and self-operated import/export rights, supporting classification as a manufacturing-oriented technical supplier.

CertificationsThe company description states that it obtained ISO9001, TS16949, ISO14001, OHSAS18001, and BV certification. The slice does not provide certificate numbers, validity dates, or verification records, so the assessment is based on the supplier’s stated holdings.

After-Sales capabilityThe supplier reports clear procedures and followed records for corrective and preventive actions and customer complaints, plus quality assurance and material traceability. However, it has no overseas agents or branches, overseas warehouse, or showroom, which limits local service infrastructure.

R&D capabilityThe supplier reports R&D capability, new products in the past year, 3D software design services, and ODM services. It does not have an available SDK and does not provide OEM services for popular brands, but those limitations do not negate the stated product-development capabilities.

Production capacityEvidence includes valid contracts with every associated subcontractor, inventory capability, one-month average lead times in both peak and off-seasons, 20 qualified service-capability suppliers, standardized finished-product inspection instructions, and established production and testing structures. The supplier also reports 26 years of export experience and self-operated import/export rights.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, together with 3D design and ODM services. This indicates broad design-to-production customization coverage.

Product Q&A

Q:Which kind of materials are available? Do they meet RoHS certification?

DoFo Spring is able to manufacture different spring types of compression springs, extension springs, torsion springs, wire forms with a large range of High-Grade Spring Steel - Carbon steel - Stainless steel - Music Wire, all comply to the RoHS standard. The wire diameter is available from 0.001 inches to 0.075 inches, which can meet the requirement of different applications.

Q:Do you support orders in small quantities or do you only accept large runs?

DoFo Spring manufactures large quantity springs, small quantity springs based on your demand. We will work with you to choose the most effective solution.

Q:Does DOFO spring offer DESIGN service OR initial ASSISTANCE ON SPRINGS?

Our engineers could give initial assistance on the design and advise to lower the production cost. Our engineer has years of experience in spring design. We could provide drawing format in CAD, 3D, and 2D design layout as well as prototype development.

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

The lead time varies in custom springs. For compression springs, extension springs, torsion springs, wire forms in our mold range, we are able to deliver within 25 days. However, for some complex shapes of springs, the delivery time would be around 30~40 days.

Q:Do you charge custom spring samples?

We make the custom springs sample charge as a subscription of formal order. In other words, the sample charge could be refunded when we receive the order. However, if your sample requires an additional mold, we will charge it.