What are your terms of payment?

PAYMENT BY T/T IN ADVANCE, West union, Paypal and etc.

Are customized products accepted?

You idea and imagine, we design and make. It is fully self-customized.

Any discount possible if I place an order?

Yes, we have different price ranges (discounts) according to your quantities. You can consult us anytime.

How is shipping handled for samples and mass orders?

For samples or small order, can be delivered by express of DHL, UPS, FedEx, TNT, HKDC at the buyer convenience, or by other express to save the buyer cost or shorten the transit time at the buyer request. For mass order delivery, can be optional with terms of Ex-work, FOB by air or by sea based on the buyer forwarder or our recommended local forwarder at the buyer convenience. To save the buyer shipping cost, we can also offer Chinese cheap cost from our local forwarder for our buyer more select

Thread Bolt Carbon Steel Ball Spring Plunger

Name: Thread Bolt Carbon Steel Ball Spring Plunger
Brand: Dongguan Zhengchen Hardware Co., Ltd.
SKU: 948015165

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

Specification

bpes

Trademark

Origin

China

Key features

Full Customization: Accepts customer ideas and designs for fully self-customized products.

Diverse Materials: Available in stainless steel and carbon steel, customizable per requirements.

Surface Treatment Options: Offers galvanized, yellow zinc plated, and HDG surface treatments.

Sample Availability: Samples are provided upon request.

Flexible MOQ: Minimum Order Quantity is 1 PCS, negotiable for stock items.

Competitive Pricing: Discounts available based on order quantities with different price ranges.

100% Manufacturer: Direct factory production in Dongguan with 100 staff and 11 years export experience.

Strict Quality Control: Every piece inspected for visual and function before packing.

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: ≤5.07h

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.

Product Q&A

Q:How long is your delivery time?

Generally our delivery time is 15 to 30 days. But different products and quantities have different procedures and timing. We promise that we'll try our best to finish your orders within the shortest time.

Q:Is the MOQ fixed?

For most orders, the MOQ can't be lowered according to the required quantities. For stock items, the quantities can be negotiated.

Q:What is the Surface Treatment?

Galvanized, Yellow zinc plated, HDG.

Q:What is your material?

Stainless steel and carbon steel. It also can according to your requirements.

Q:Do you provide samples?

Yes.