What is the lead time for mass production?

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

What if the parts are not good quality?

We guarantee good quality. If issues occur, please contact us immediately with pictures, and we will check and solve the problem ASAP.

China Factory Double Lock Washer

Name: China Factory Double Lock Washer
Brand: Wenzhou Ruitan Hardware Co., Ltd.
SKU: 1906816752

Zhejiang, ChinaWenzhou Ruitan Hardware Co., Ltd.

US$0.50

10,000 Pieces

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

Double Washer

OEM Service

Accepted

Delivery Date

15 Days

Surface Treatment

Plain, Zinc Plated(Blue &White, Yellow Ect), Black

Transport Package

Bulk or Carton

Specification

3/8-1

Trademark

Huilida

Origin

China

Production Capacity

100ton

Key features

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

Wide Material Selection: Available in Carbon Steel, Stainless Steel (SS304, SS316), steel, copper, and other materials.

Multiple Surface Treatments: Options include Plain, Zinc Plated (Blue, White, Yellow), Black, and Hot Dipped Galvanized.

Fast Sample Delivery: Samples can be delivered within 7 working days to facilitate quick evaluation.

Standard Compliance: Products adhere to ASME B18.21.3 standards for quality and reliability.

Technical Feasibility Support: We help evaluate technical feasibility, advise on materials, and assist with new product ideas.

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:How long does it take to get a price quote?

We usually quote within 24 hours after receiving your inquiry. For urgent requests, please call us or mention it in your email.

Q:What information is needed to get a quotation?

Please send drawings, material, weight, quantity, and requests. We accept PDF, ISGS, DWG, and STEP files. Samples are also accepted if no drawing is available.

Q:Do you accept OEM orders?

Yes, OEM is welcome. We can customize goods according to your specific design.

Q:What are the shipping options?

We offer shipping by express (FedEx, UPS, DHL, TNT, EMS, etc.), by air, and by sea.

Q:What payment methods do you accept?

Common payments include T/T (Telegraphic Transfer), Western Union, and PayPal.