What are the available surface finishes?

Available finishes include Zinc Plating, Plain, Black Oxide, Galvanized, and Nylon Patch.

How do you guarantee quality?

We always provide a pre-production sample before mass production and conduct a final inspection before shipment.

High Loading Ball Spring Plunger Ball Nosed Spring Plunger From China

Name: High Loading Ball Spring Plunger Ball Nosed Spring Plunger From China
Brand: Qingdao Pengrui Machinery Co., Ltd.
SKU: 2244575215

Shandong, ChinaQingdao Pengrui Machinery Co., Ltd.

US$0.25

500-4,999 Pieces

US$0.12

5,000+ Pieces

Product specifications

ball spring plunger

Product profile

Customization

Available

Material

Stainless Steel, Carbon Steel,Steel,

Surface Finishing

Smooth

Model NO.

spring ball plunger

Certification

ISO

Customized

Surface Treatment

Zinc Plating,Plain ,Black Oxide,etc

Product Name

Ball Spring Plunger

Size

Customized

MOQ

500PCS

Delivery Time

30-40 Days

Shipping Way

Express,by Sea, by Air,etc

Packing

Nautral Packing

Drive Type

Hex Socket,Slotted

Length

3-34mm or Customized

OEM

Provided OEM Services

Ball Material

Steel Hardened,Brass,Plastic,etc

Spring Material

Stainless Steel

Transport Package

Plastic Bag+Carton

Specification

Customers' requirement

Trademark

PDM

Origin

China

Production Capacity

5000/Month

Key features

Customizable Specifications: Size M3-M24 and Length 3-34mm are fully customizable to meet specific requirements.

Wide Material Selection: Available in Stainless Steel, Carbon Steel, Brass, Nylon, and Plastic for diverse applications.

OEM Services Provided: Professional OEM services available for product name, surface treatment, and design customization.

ISO Certified Quality: Manufactured under ISO9001-2015 system with strict QC and precision testing equipment.

Versatile Applications: Ideal for positioning, applying pressure, locking, detent, and ejection functions.

Durable Surface Finish: Options include Zinc Plating, Black Oxide, Plain, and Galvanized for corrosion resistance.

Competitive Pricing: Direct factory pricing with annual production volume over USD 5 Million.

Flexible Packaging: Customizable packing options including small plastic bags, cartons, or bulk packaging.

Company profile

Importers and ExportersYears of Export ExperienceHigh Repeat Buyers Choice

Qingdao Pengrui Machinery Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 14 Years CertifiedNearest Port: Qingdao PortAverage Response Time: ≤24h

AI-Powered supplier vetting

SummaryThe supplier presents established manufacturing and export capabilities, with ISO9001:2015 certification, two production lines, 6–10 quality-control staff, and stated contracts with affiliated subcontractors. It supports flexible customization, ODM, OEM for popular brands, and reports new products in the past year. Export activity has continued for 11 years, with 51%–70% of sales from exports and self-operated import/export rights. Service strengths include inventory capability, documented complaint and corrective-action procedures, quality assurance, and lead times within 15 working days in both peak and off-season periods. However, the supplier has no overseas warehouse, showroom, agents, branches, or stated overseas-service countries, and has not participated in offline trade shows. Supplier-service assessment lacks written procedures and complete records. Financial credibility cannot be assessed from the non-monetary information provided.

Supplier typeThe supplier is identified as a combined company rather than an offshore company, and its profile covers manufacturing, export trade, service, quality control, R&D, and sustainability capabilities. This supports classification as an integrated manufacturing and trading-oriented supplier, although the exact legal business structure is not further specified.

CertificationsThe supplier holds an ISO9001:2015 certificate. This is explicit evidence of a recognized quality-management-system certification, although no additional certifications are stated.

After-Sales capabilityThe supplier has documented procedures and records for customer complaints and corrective/preventive actions, provides inventory capability, and reports lead times within 15 working days in both peak and off-season periods. However, it has no overseas warehouse, showroom, agents, branches, or stated overseas-service countries, while its supplier-service assessment process has no written procedures or followed records.

R&D capabilityThe supplier reports two years of total R&D-engineer experience, new products developed during the past year, ODM capability, customization from designs and samples, an available SDK, and one national science and technology progress award. These stated capabilities provide explicit evidence of active R&D and innovation support.

Production capacityThe supplier operates two production lines, has 6–10 quality-control staff, maintains valid manufacturing-capacity contracts with affiliated subcontractors, and reports 30 qualified suppliers for service capability. It also states inventory capability and lead times within 15 working days in both peak and off-season periods, indicating established operational capacity.

Customization capabilityThe supplier explicitly offers flexible, minor, and full customization, including customization from customer designs and samples, as well as ODM services and OEM for popular brands. These stated services demonstrate broad customization and contract-manufacturing capability.

Client casesThe supplier names long-term customers including Richelieu Hardware, Hillman Agroup, VIPA, CFI, and BUFAB. These named customer relationships provide explicit evidence of customer experience, although the information does not state order scope, duration for each account, or independently verified performance outcomes.