What quality control measures are in place?

We perform 100% inspection including visual and functional checks on all finished products.

What are the payment terms?

We accept LC, T/T, D/P, PayPal, Western Union, and small-amount payments.

Where is the product shipped from?

Shipping is available from Shenzhen or Hong Kong ports via sea, air, or express.

Plastic Ball 4mm- 8mm Smooth Ball Spring Plunger

Name: Plastic Ball 4mm- 8mm Smooth Ball Spring Plunger
Brand: Dongguan Zhengchen Hardware Co., Ltd.
SKU: 1912602032

Guangdong, ChinaDongguan Zhengchen Hardware Co., Ltd.

US$0.17

100 Pieces

Sample price:US$0.50/piece.Request sample

Product profile

Customization

Available

Material

Stainless Steel

Type

Flange

Connection

Press Fit

Head Style

Round

Standard

ISO

Application

Chemical Industry

Finish

Blue

Ball

Stainless Steel

Housing

Plastic Blue

Spring

Stainless Steel

Transport Package

Carton

Specification

30*30*30cm

Trademark

Origin

China

HS Code

73181600

Production Capacity

3000PC/Year

Key features

Material Composition: Thermoplastic body with stainless steel ball and spring.

Size Range: Available in 4mm to 8mm smooth ball sizes.

Customization Options: Offers full, minor, and flexible customization from samples or designs.

Fast Lead Time: Standard production lead time is 3 to 7 days.

Quality Assurance: 100% inspection with visual and functional checks.

Low MOQ: Minimum Order Quantity is 1 piece.

Industry Application: Designed for use in the chemical industry.

Certification: ISO9001:2015 certified management system.

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: ≤3.42h

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.