What is the quality control process?

We perform 100% inspection with 6 QA/QC inspectors following strict instructions.

How are the products shipped?

Shipping is available by sea, air, or express courier like FedEx, UPS, DHL, or TNT.

Is the manufacturer ISO certified?

Yes, we hold ISO9001:2015 certification for our management system.

Zc Smooth Stainless Steel Spring Plungers for 303030cm Specification

Name: Zc Smooth Stainless Steel Spring Plungers for 30*30*30cm Specification
Brand: Dongguan Zhengchen Hardware Co., Ltd.
SKU: 1908269172

Guangdong, ChinaDongguan Zhengchen Hardware Co., Ltd.

Zc Smooth Stainless Steel Spring Plungers for 30*30*30cm Specification

US$0.10

100 Pieces

Sample price:US$0.50/piece.Request sample

Product profile

Customization

Available

Material

Brass Housing, Stainless Steel Ball

Type

Round with Flange

Connection

Press Fit

Head Style

Round

Application

Industry

Price

Negotiated

Quality Control

100% Inspection

Lead Time

3-7 Days

Delivery Time

7 Days Around by FedEx/UPS/DHL/TNT

Transport Package

Poly Bag-Small Box-Carton

Specification

Base on the quantity of goods

Trademark

Origin

China

HS Code

73181600

Production Capacity

3000 Units Per Day

Key features

OEM/ODM Customization: Supports full customization from samples, designs, or minor adjustments.

Fast Lead Time: Production lead time is 3-7 days, with peak/off-season within 15 workdays.

High Quality Control: 100% inspection rate with 6 dedicated QA/QC inspectors.

Durable Material: Constructed with brass housing and stainless steel ball for longevity.

Flexible Payment: Accepts LC, T/T, D/P, PayPal, Western Union, and small amounts.

Global Shipping: Ships via sea, air, or express (FedEx/UPS/DHL/TNT) from Shenzhen.

Low MOQ: Minimum order quantity is just 1 piece for easy sampling.

ISO Certified: Manufacturer holds ISO9001:2015 certification for quality assurance.

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: ≤4.41h

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.