What are the terms of payment?

Payment by T/T in advance, West Union, PayPal, and other methods.

Are customized products accepted?

Yes. We accept your ideas and designs for full self-customization.

Is there a discount for large orders?

Yes, we have different price ranges and discounts according to your quantities.

Flanged Black Oxide Steel Threaded Ball Spring Plungers

Name: Flanged Black Oxide Steel Threaded Ball Spring Plungers
Brand: Dongguan Zhengchen Hardware Co., Ltd.
SKU: 947993255

Guangdong, ChinaDongguan Zhengchen Hardware Co., Ltd.

US$0.10

1,000 Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Type

Plunger

Transport Package

Box

Model NO.

fbpj

Specification

FBPJ

Trademark

Origin

China

Key features

Full Customization Support: Accepts full customization from samples, designs, or ideas with flexible options.

100% Manufacturer Direct: Factory located in Dongguan with 100 staff, ensuring direct quality control and pricing.

Strict Quality Assurance: Every piece inspected via visual and function checks before packing to ensure quality.

Premium Material Selection: Made from best stainless steel and carbon steel sourced from top suppliers.

Flexible Payment Terms: Supports T/T, PayPal, Western Union, LC, D/P, and small-amount payments.

Fast Delivery Guarantee: Delivery time is 15-30 days, with efforts to finish orders in the shortest time.

Competitive Pricing: Offers discounts based on order quantities and competitive prices for high quality.

Global Shipping Options: Ships via DHL, UPS, FedEx, or sea/air freight from Shenzhen or Hong Kong ports.

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: ≤4.43h

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.