What certifications do your products have?

Our products are RoHS compliant and our factory is ISO9001:2015 certified.

How do you package the products?

We use PVC bags for inflatable items or cartons for blowers, and can customize packing as per customer instructions.

Where are your products shipped from?

We ship from Shenzhen, Hong Kong, or Guangzhou ports.

Fast Delivery Conical Spring Carbon Steel Manganese Steel Surface Treatment Black Custom Elastic Locking Wave Spring Washer

Name: Fast Delivery Conical Spring Carbon Steel Manganese Steel Surface Treatment Black Custom Elastic Locking Wave Spring Washer
Brand: Dongguan Zhengchen Hardware Co., Ltd.
SKU: 2142219512

Guangdong, ChinaDongguan Zhengchen Hardware Co., Ltd.

US$0.15

100-499 pieces

US$0.12

500+ pieces

Product profile

Customization

Available

Type

Lock Washer

Material

Stainless Steel

Model NO.

ZC-1-24

Selling Units

Single Item

Service

OEM Services

Standard

DIN

Name

Belleville Spring Lock Washers

Item

DIN9250-Vs

Surface Finish

Spring Steel Curing in Black,Mechanical

Packing

500PCS/PE

Single Gross Weight

0.005kg

Style

Spring Lock Washers

Application

General Industry

Finish

Plain

Main Material

65mn.Sk5.Sk7

Single Package Size

12X12X15.Cm

Certificate

RoHS 1s0|S09001:20081s014001:2004

Transport Package

Standard

Trademark

Origin

Guangdong, China

Key features

Fast Delivery: Delivery time ranges from 7 to 15 days for standard orders.

OEM/ODM Services: Full customization available from samples, designs, or flexible requirements.

Free Samples: Free samples are available upon request for new customers.

ISO 9001 Certified: Manufacturing process certified under ISO9001:2015 standards.

RoHS Compliant: Products meet RoHS environmental safety standards.

Low MOQ: Minimum order quantity starts from just 1 piece.

Professional Experience: Manufacturer with over 11 years of experience in hardware fasteners.

Global Shipping: Shipping available via sea, air, or express from Shenzhen, Hong Kong, or Guangzhou.

Company profile

In-stock CapacityFast DeliveryYears of Export ExperienceCustomization from Designs

Dongguan Zhengchen Hardware Co., Ltd.

Guangdong, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 11 years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤4.35h

AI-Powered supplier vetting

SummaryThe supplier is identified as a factory in Dongguan operating in manufacturing. It demonstrates substantial customization, OEM and ODM capabilities, independent R&D activity, and six R&D engineers responsible for technical support and new product development. Manufacturing support includes valid contracts with related subcontractors, inventory capability, and stated peak- and off-season lead times within 15 working days. Quality and service processes are documented, including finished-product inspection, corrective and preventive actions, and complaint handling. The supplier has exported for 11 years, with exports representing 11%–20% of total sales, and is located near Shenzhen Port. Evidence is insufficient to confirm certifications, detailed after-sales performance, or financial credibility. The supplier lacks an available SDK, overseas warehouse, and overseas showroom.

Supplier typeThe supplier is explicitly identified as a factory located in Dongguan, and its associated companies operate in manufacturing. This supports classification as a manufacturing supplier rather than a trading-only company.

After-Sales capabilityThe supplier has six R&D engineers whose responsibilities include technical support for production and after-sales service. It also has documented complaint-handling and corrective/preventive-action procedures with records, but no specific after-sales service performance or coverage details are provided.

R&D capabilityThe supplier reports new products in the past year, provides ODM services, and has an independent R&D department. Six R&D engineers handle technical confirmation, production and after-sales support, and new product development; however, no SDK is available.

Production capacityProduction support is evidenced by six quality-control staff, four quality-control test equipment units, valid contracts with associated subcontractors, inventory capability, and stated lead times within 15 working days in both peak and off seasons. The supplier also reports 172 qualified service-capability suppliers, although detailed production capacity volumes are not provided.

Customization capabilityThe supplier explicitly offers customization from samples and designs, full, minor, and flexible customization. It also provides customized processing of non-standard parts and OEM one-stop solutions, demonstrating broad customization coverage.

Client casesThe supplier states that it provides OEM services for well-known brands and describes delivering complete solutions and non-standard-part processing for customer needs. No named customers, project examples, or independently verifiable case details are supplied.