What about your delivery time?

For items in stock, expect swift delivery within 2-5 days. Orders of 1-2 containers are delivered in 18-25 days. For urgent needs exceeding 2 containers, we expedite production.

How are your products packaged?

Our standard packaging consists of 20-25kg per carton, with pallets accommodating 36 to 48 cartons, weighing about 900-960kg. We also provide custom logo printing or bespoke packaging.

M8 20mm Concave Convex Finishing Cup Washers for Smooth Load Distribution

Name: M8 20mm Concave Convex Finishing Cup Washers for Smooth Load Distribution
Brand: Guangzhou Jundasheng Hardware and Electrical Appliance Co., Ltd
SKU: 2302991455

Guangdong, ChinaGuangzhou Jundasheng Hardware and Electrical Appliance Co., Ltd

US$0.01

1,000 Pieces

Sample price:US$7.00/bag.Request sample

Product profile

Customization

Available

Type

Cup Washer

Material

Stainless Steel

Model NO.

all kinds

Combination Washer Structure

a+B

Combination Washer Packaging

Non-Coated

Spring Washer Type

Standard

Delivery Time

5-15 Days

Export Market

Global

Colour

Matte Silver or Custom

Dimension

Customizable

Scope of Application

Home and Industrial Use

Transport Package

Carton or Box

Specification

Many kinds of

Trademark

JDS or customized

Origin

Guangdong, China

Production Capacity

400 Tons Per Month

Key features

30 Years Manufacturing Experience: Over three decades of professional production experience ensuring reliability and expertise.

Customization from Samples and Designs: Full customization options available based on customer samples, blueprints, or specific designs.

Comprehensive Material Options: Available in Plastic, Aluminum, Iron, and Stainless Steel grades 201, 304, and 316.

Strict Quality Control with Certificates: 100% inspection for finished products with MTC and mill certificates provided for assurance.

Competitive Factory Direct Pricing: Cost-efficient solutions directly from the manufacturer with a 30-year heritage of value.

Fast Delivery for Stock Items: Swift delivery within 2-5 days for items currently in stock.

Free Samples for New Clients: New clients receive free samples of standard fasteners (buyer pays express charges).

Wide Range of Standards: Compliance with DIN, ASTM/ANSI, JIS, EN, ISO, AS, and GB standards.

Company profile

ODM ServicesManagement CertificationProduction Process VisualizationStandardized quality control

Guangzhou Jundasheng Hardware and Electrical Appliance Co., Ltd

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc.Export Year: 2020-10-20Nearest Port: guangzhouAverage Response Time: ≤4.15h

AI-Powered supplier vetting

SummaryJundasheng Hardware & Electrical Co., Ltd. is a Guangzhou-based fastener manufacturer established in 2003, with integrated production, R&D, and sales activities. The supplier reports ISO9001 and SGS certification, documented corrective/preventive-action and complaint-handling procedures, inventory capability, and customization and ODM services. Its stated product scope includes screws, gaskets, nuts, bolts, and other metal products, with reported production of 4,000 tons for each of these four categories and order fulfillment within 15 workdays in both peak and off-peak periods. However, the supplier does not provide OEM services for popular brands, lacks an available SDK, has no overseas warehouse, showroom, agent, or branch, and has not participated in offline trade shows. Financial credibility cannot be assessed because the supplied financial fields contain only years rather than financial results or supporting metrics. Customer-case evidence is also insufficient.

Supplier typeThe supplier is identified as a Guangzhou-based professional fastener production factory established in 2003, combining manufacturing, research and development, and sales. Its registered business scope also covers metal products, machinery parts, electrical equipment, import/export, and related technical services, indicating a manufacturer rather than a pure trading company.

CertificationsThe supplier states that it has obtained ISO9001 quality management system certification and SGS international certification system certification. These are explicit certification claims supporting quality-system credentials, although no certificate numbers, validity dates, or scope details are provided.

After-Sales capabilityThe supplier has documented procedures and records for corrective and preventive actions and customer complaint handling, and it can provide quotations under FOB, CIF, CFR, and EXW terms. However, it has no overseas warehouse, overseas showroom, overseas agent or branch, and offers overseas service in zero countries, so its documented process capability is stronger than its overseas service network.

R&D capabilityThe supplier reports R&D capability, new products during the past year, and ODM service availability, while its company description identifies R&D as part of its integrated operations. Nevertheless, it reports no available SDK, so the evidence supports product-development capability but not software-development or SDK capability.

Production capacityThe supplier reports in-stock capability, production of 4,000 tons each of screws, gaskets, nuts, and bolts, and order fulfillment within 15 workdays in both peak and off-peak seasons. A weakness is that no valid manufacturing-capacity contract exists with related subcontractors, which may limit reliance on outsourced capacity.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, flexible customization, and ODM services. This directly demonstrates broad stated customization coverage.

Product Q&A

Q:How can I trust your company?

With a robust 30-year foundation in production and an exceptionally efficient management team, we are committed to delivering impeccable solutions you can rely upon.

Q:What about your pricing?

Our products are the epitome of superior quality and competitive pricing. We welcome you to request a detailed and swift quotation, meticulously tailored for your reference.

Q:How is quality control maintained?

Our devoted QC team meticulously inspects each production phase. Once ready, we provide MTC and mill certificates, reaffirming our dedication to maintaining excellent quality.

Q:Are free samples available?

We offer new clients free samples of our standard fasteners, with express charges borne by them. Loyal returning clients enjoy free samples with express charges on us.

Q:Do you entertain small orders?

Absolutely! We warmly accept small non-customized orders for our standard products, fostering open dialogue to address your specific needs effectively.