I have an idea for a new product, but don't know if it can be manufactured. Can you help?

Yes, it is our pleasure to work with potential customers to evaluate the technical feasibility of your idea or design, and we can advise on materials, tooling and so on .

What about the leading time for mass production?

Honestly, it depends on the order quantity. Normally, 15 days to 20 days after receiving your deposit .

How if the parts are not good?

We can guarantee good quality, but if happened, please contact us immediately and take pictures for us, we will check on the problem and solve it ASAP .

China Factory Spherical Washer Lock Washers

Name: China Factory Spherical Washer Lock Washers
Brand: Wenzhou Ruitan Hardware Co., Ltd.
SKU: 1908362482

Zhejiang, ChinaWenzhou Ruitan Hardware Co., Ltd.

US$0.10

2,000 Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Type

Spring Washer

Material

Steel

Combination Washer Structure

B Type

Combination Washer Packaging

All Inclusive

Spring Washer Type

Standard

Product Name

Spherical Spring Washer

OEM Service

Accepted

Delivery Date

15 Days

Surface Treatment

Plain, Black, Zinc Plating, Dac.

Transport Package

Bulk or Carton

Specification

M12-M22

Trademark

RUITAN

Origin

China

Production Capacity

100000PCS/Month

Key features

OEM Customization Service: We accept OEM orders and customize products according to your specific design requirements.

Wide Size Range: Available in sizes from M12 to M22 to meet various auto wheel application needs.

Multiple Surface Treatments: Options include Plain, Black, Zinc Plating, Dacromet, and Environmental Zinc for corrosion resistance.

Fast Sample Delivery: Samples can be delivered within 7 working days for quick evaluation and testing.

Standard Compliance: Products strictly follow DIN74361C standard, with non-standard options also welcome.

Technical Feasibility Support: We assist in evaluating the technical feasibility of new product ideas and designs.

Quality Guarantee: We guarantee good quality and provide immediate support to solve any issues promptly.

Flexible Payment Options: Supports T/T, Western Union, and PayPal for convenient and secure transactions.

Company profile

Wenzhou Ruitan Hardware Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2013-12-01Nearest Port: NINGBO, SHANGHAIAverage Response Time: >24hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, EXW

AI-Powered supplier vetting

SummaryThe supplier is identified as a combined company specializing in standard and non-standard fasteners, washers, springs, stamping parts, spring lock pins, and related products. It holds ISO 9001 certification, operates three production lines, and reports quality assurance, standardized finished-product inspection instructions, and inventory capability. Customization and OEM/ODM services are available, including customization from samples and designs. However, the evidence shows no written complaint-handling or corrective/preventive-action procedures, no valid manufacturing contract with related subcontractors, no overseas agents, branches, warehouse, showroom, or trade-show participation, and no new products developed in the past year. Export experience is stated as five years, with exports representing 21%–30% of sales.

CertificationsThe supplier reports holding ISO 9001 certification. This is explicit evidence of a recognized quality-management-system certification and supports a positive assessment for certification holding.

After-Sales capabilityThe supplier has inventory capability and accepts FOB, CIF, CFR, and EXW quotation terms, but it has no written procedures or records for corrective/preventive actions or customer complaints. It also lacks overseas agents or branches, overseas warehouses, and showrooms, indicating a documented weakness in structured after-sales support.

R&D capabilityThe supplier provides ODM services and has broad design customization capability, but it reports no available SDK, no new products during the past year, and fewer than five years of total R&D engineer experience. The evidence demonstrates some development-service availability but also an explicit recent-product-development deficiency.

Production capacityThe supplier operates three production lines, reports inventory capability, uses uniformly followed finished-product inspection instructions, and produces multiple categories of standard and non-standard fasteners and spring-related components. However, it has no valid contract with related subcontractors, creating a documented manufacturing-governance weakness despite its stated production resources.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization, and also provides OEM and ODM services. Its company description further states that it produces non-standard fasteners and components, providing direct support for strong customization capability.

Product Q&A

Q:When can I get the price?

We usually quote within 24 hours after we got your inquiry. If you are very urgent to get the price, please call us or inform us in your email .

Q:How can I get the quotation?

Please send us information for quote: drawing, material, weight, quantity and request, we can accept PDF, ISGS, DWG, STEP file format. If you don't have drawing, please send the sample to us, we can quote based on your sample too .

Q:Do you accept the OEM?

OEM is welcome. We can custom the goods according to your design .

Q:What is the shipping?

By express(FedEx, UPS, DHL, TNT, EMS, etc...), By Air and By Sea .

Q:How do I pay for the order?

The common payments are T/T(Telegraphic Transfer), Western Union, Paypal .