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.

High Quality Curved Spring Lock Washer

Name: High Quality Curved Spring Lock Washer
Brand: Wenzhou Ruitan Hardware Co., Ltd.
SKU: 1914851792

Zhejiang, ChinaWenzhou Ruitan Hardware Co., Ltd.

US$0.01

10,000 Pieces

Product profile

Customization

Available

Type

Spring Washer

Material

Carbon Steel

Combination Washer Structure

A Type

Combination Washer Packaging

Half a Pack

Spring Washer Type

Standard

Product Name

Waved Spring Lock Washer

OEM Service

Accepted

Delivery Date

15 Days

Surface Treatment

Zinc Plated

Transport Package

Bulk or Carton

Specification

Unstandard

Trademark

RUITAN

Origin

China

Production Capacity

500tons/Month

Key features

OEM Service Accepted: We accept OEM orders and customize goods according to your specific design requirements.

Wide Size Range: Available in sizes from M3 up to M30 to meet diverse application needs.

Fast Sample Delivery: Sample delivery completed within 7 working days for quick evaluation.

Multiple Material Options: Constructed from Carbon Steel or Stainless Steel (A2, A4) for durability.

Standard Compliance: Manufactured to DIN128A standard specifications for quality assurance.

Surface Treatment: Features zinc plating for enhanced corrosion resistance and appearance.

Technical Feasibility Support: We help evaluate technical feasibility, advise on materials and tooling for new ideas.

Quality Guarantee: We guarantee good quality and provide immediate solutions for any issues.

Company profile

Wenzhou Ruitan Hardware Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2013-12-01Nearest Port: NINGBO, SHANGHAIAverage Response Time: ≤15hTerms 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.