Do you provide quality inspection reports?

Yes, we perform 100% inspection including visual and function checks with traceable raw materials.

What certifications does the company hold?

We are certified under ISO9001:2015 and our products hold SGS, RoHS, Material Certification, and PPAP.

What types of spring plungers do you manufacture?

We manufacture Slotted, Hex, and Round types with case hardened steel tips.

Load Adjustable Series Ball Plunger

Name: Load Adjustable Series Ball Plunger
Brand: Shenzhen In-sail Precision Parts Co., Ltd.
SKU: 862455495

Guangdong, ChinaShenzhen In-sail Precision Parts Co., Ltd.

US$0.01

100 Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Type

Spring Plunger

Item Name

Steel Ball Plungers

Model NO.

LF-LBPCF

Material

SUS303,SUS304,Scm435,POM

Finish

Black Oxide,Harden,etc

Kinds

Slotted,Hex,Round

Management System

ISO9001:2008

Certification

SGS,RoHS,Material Certication,Ppap

Transport Package

PE Bag + Cartons

Specification

Metric, Inch

Trademark

In-saiL

Origin

Shenzhen, China

HS Code

7318160000

Production Capacity

500kpcs/Week

Key features

High-Quality Materials: Available in SUS303, SUS304, SCM435, and POM for diverse applications.

Precision Manufacturing: Tips made of case-hardened steel ensuring accurate end force and durability.

Flexible Customization: Offers full, minor, sample-based, and design-based customization options.

Comprehensive Certifications: Certified by SGS, RoHS, and ISO9001:2015 for quality assurance.

Low MOQ: Minimum Order Quantity starts from just 1 PC for flexibility.

Fast Lead Time: Production completed within 15 working days for both peak and off-peak seasons.

Strict Quality Control: 100% visual and functional inspection with traceable raw materials.

Multiple Finish Options: Available in Black Oxide, Hardened, and other standard finishes.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceSelf-brandedPatents Awarded

Shenzhen In-sail Precision Parts Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 17 Years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤1.10h

AI-Powered supplier vetting

SummaryThe supplier demonstrates broad customization and product-development capabilities, including 3D software design, ODM services, and new products developed within the past year. It reports eight production lines, 21–30 quality-control staff, 11–20 years of cumulative R&D engineer experience, documented finished-product inspection instructions, and several management-system certifications. Export experience is established at 17 years, with exports representing 41%–50% of total sales and quotations available under FOB, CIF, CFR, and EXW terms. However, supplier-management, corrective-action, and complaint-handling procedures lack written records; there is no overseas warehouse, showroom, agent or branch, or offline trade-show participation. No valid manufacturing contract with related subcontractors and no SDK availability are also reported. Customer cases are not provided.

Supplier typeThe supplier provides ODM services, has 17 years of export experience, and operates eight production lines. Its overseas service footprint is limited because it reports no overseas agents or branches and serves zero listed countries directly.

CertificationsThe supplier reports TS 16949, ISO 14001, ISO 9001, ISO 14000, and ISO 22000 certifications, along with quality assurance in its quality-control processes. This is explicit evidence of multiple certifications and a stated quality-assurance function, although certification validity details are not provided.

After-Sales capabilityThe supplier has a customer-complaint procedure, but no written complaint-handling records, and its corrective and preventive action procedure also lacks written records. It has no overseas warehouse, showroom, agents, or branches, which limits demonstrated overseas service infrastructure.

R&D capabilityThe supplier reports 3D software design services, ODM capability, and new products within the past year, supported by 11–20 years of cumulative R&D engineer experience. However, it reports no available SDK, so the evidence supports product-development capability but not SDK-based development.

Production capacityThe supplier operates eight production lines, has in-stock capability, uses numerous inspection and manufacturing-related instruments, and follows uniform finished-product inspection instructions. Average lead time is within 15 working days in both peak and off-season, but no valid contract exists with related subcontractors, creating a documented manufacturing-governance weakness.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, flexible customization, and minor customization, and also provides 3D software design and ODM services. These statements directly demonstrate broad customization coverage.