What is your quality control process?

We perform 100% inspection and random visual and function checks on finished products.

What certifications do you have?

Our management system is certified under ISO9001:2015.

Wholesale High Quality Carbon Steel Black Hex Socket End Cap Flange Inner Hexagon Plug

Name: Wholesale High Quality Carbon Steel Black Hex Socket End Cap Flange Inner Hexagon Plug
Brand: Dongguan Zhengchen Hardware Co., Ltd.
SKU: 2073934922

Guangdong, ChinaDongguan Zhengchen Hardware Co., Ltd.

US$1.00

1,000 pieces

Product profile

Customization

Available

Material

Carbon Steel

Type

Hexagon Head

Model NO.

MSWZH

Head Style

Hexagonal

Standard

ISO

Selling Units

Single Item

Measurement System

Inch

Size

Customers'request

Sample

Avaliable

Single Package Size

13.5X8.5X9.5 Cm

Surface Treatment

Nickel Plated

Packing

Carton

Product Name

Screw Plugs

Single Gross Weight

0.050kg

Finish

Zinc

Application

Industrial Equipment

Quality Control

100%Inspection

Transport Package

Standard

Trademark

Origin

Guangdong, China

Key features

Customizable Dimensions: Size is available based on customer's specific request.

OEM/ODM Services: Full customization, minor customization, and flexible customization options available.

Fast Delivery: Delivery time ranges from 7 to 15 days.

Low MOQ: Minimum Order Quantity is 1 piece.

ISO Certified: Manufacturing process certified under ISO9001:2015 standard.

Free Samples: Free samples are available upon request.

Flexible Payment: Accepts T/T, L/C, PayPal, Western Union, and other methods.

Strict Quality Control: 100% inspection and random visual and function checks for finished products.

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: ≤5.14h

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.