How can I get a sample to check quality?

After price confirmation, you can request samples. Samples may be free (shipping cost applies) or charged, but sample fees are refundable after order confirmation if quantity exceeds MOQ.

What are your payment terms?

For payments <=5000 USD, 100% in advance. For payments >=5000 USD, 30% in advance and balance before shipment. We also accept LC, D/P, PayPal, Western Union, etc.

How long is the production lead time?

Normally, we need about 15 days for production. We ship the goods ASAP while ensuring quality.

China High Quality Black Oxidation Spring Washer for Machine and Hardware

Name: China High Quality Black Oxidation Spring Washer for Machine and Hardware
Brand: Shanghai Gentle Fasteners Technology Co.,Ltd.
SKU: 795643272

Shanghai, ChinaShanghai Gentle Fasteners Technology Co.,Ltd.

US$0.02

10,000 Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

Type

Spring Washer

Material

Stainless Steel

Model NO.

DIN127B

Combination Washer Structure

B Type

Combination Washer Packaging

All Inclusive

Spring Washer Type

Standard

Service

Customized

OEM ODM

Yes

Transport Package

26 * 26 * 10 Cartons in Bulk

Specification

M3~M56

Trademark

SH or OEM

Origin

Made in China

HS Code

7315189001

Production Capacity

220mpieces/Year

Key features

30+ Years OEM/ODM Experience: Over 30 years of customized and OEM/ODM experience with professional design support.

Full Customization Support: Customizable material, size, grade, surface, head, driver, logo, and packaging.

Wide Material & Grade Options: Carbon steel, stainless steel, brass, etc. Grades 4.8 to 12.9 and A2/A4 series.

Strict Quality Control: ISO9001 and TUV certified. Complete inspections and sampling at all production stages.

Flexible MOQ & Small Orders: Minimum Order Quantity is just 1 piece. Small orders and samples are accepted.

Fast Production Lead Time: Normal production takes about 15 days. Ship ASAP while ensuring quality.

Professional Improvement Service: Help identify issues with existing products and provide professional improvement plans.

Global Shipping Assistance: Support worldwide shipping. Assistance provided if you do not have your own forwarder.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceSelf-branded

Shanghai Gentle Fasteners Technology Co.,Ltd.

Shanghai, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 3 years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤18h

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company based in Minhang District, Shanghai, with stated equipment, metal-product, packaging-material, electronic-product, machinery, software, and related sales activities. It reports export activity for three years, self-operated import/export rights, and exports representing 51%–70% of total sales, with markets in Southeast Asia, the Middle East, East Asia, and Europe. The supplier states that it provides 3D software design, ODM, OEM for well-known brands, and multiple customization options, and reports new products in the past year. Service procedures for corrective and preventive actions and customer complaints are documented and followed. However, quality-assurance status is unknown; no overseas showroom, overseas agent or branch, or offline trade-show participation is reported. Production information is inconsistent across slices, and no certification holdings or customer case details are provided.

Supplier typeThe supplier is explicitly classified as a trading company, with its company nature also stated as a trading company. Its listed activities include trading, sales, technical services, and export-related business rather than an explicitly documented manufacturing identity.

After-Sales capabilityThe supplier has documented procedures and records for corrective and preventive actions and for handling customer complaints. However, it reports no overseas showroom, overseas agent or branch, or offline trade-show participation, so the evidence supports complaint-process capability but not broad overseas service coverage.

R&D capabilityThe supplier reports R&D-related capabilities including 3D software design, ODM services, and new products during the past year. It also states that no SDK is available, but this is a specific limitation and does not negate the documented broader innovation capabilities.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization. It also provides 3D software design services, directly supporting a broad customization offering.

Client casesThe supplier states that it provides OEM services for well-known brands, which is evidence of brand-related customer experience. No named customers, project examples, or independently detailed case records are provided.