Why J&S Products Network Process Quality Contact
✓ Sourcing Partnership

Korea's precision parts, sourced right.

Founded by procurement veterans with 10+ years in Korean industrial manufacturing — cable & harness, optical components, and custom OEM parts.
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Supplier ISO 9001
Mutual NDA Standard
RoHS / REACH Compliant
Custom cable harness assembly
10+
Years Procurement ExperienceRFQ to export, fully managed
Why J&S

A single sourcing window, built on a tightly-knit supplier network

Source from multiple Korean manufacturers without managing multiple suppliers.

01

Procurement Expertise

10+ years of manufacturing procurement experience. We understand RFQs, cost comparison, delivery issues, quality claims and supplier management from a buyer's perspective.

02

Qualified Supplier Network

We connect global buyers with specialized Korean manufacturers for cable & harness, optical components and custom OEM projects.

03

Export & Logistics Handled

J&S manages export documentation, packing standards and freight coordination — you receive the parts, not the paperwork.

Product Portfolio

Core product portfolio

Cable & Harness Actual supplier product
01 — Cable & Harness

Built for demanding electrical environments

  • Custom Cable Harnesses
  • Equipment & Industrial Harnesses
  • Connector & Cable Assemblies
  • High-temperature / High-vibration Applications
Optical Components Actual supplier product
02 — Optical Components

Precision optics for imaging & sensing

  • Precision Lenses & Lens Modules
  • Mirrors & Reflective Components
  • Optical Filters
  • Camera / LiDAR Optical Components
Spec-driven precision development
03 — Custom OEM Development

From drawing to mass production

  • Drawing / Specification-based Development
  • Prototype & Small-batch Production
  • Supplier Engineering Coordination
  • Mass Production Transfer
Key Industries Served
Industrial Equipment Defense & Aerospace Medical Devices Automotive / EV
Supplier Network

Korean manufacturing supplier network

Specialized suppliers, coordinated through one local partner.

Cable & Harness Manufacturers Optical Component Manufacturers Precision Machining Suppliers Quality Inspection · Certification Logistics / Freight OEM Development Engineering
Dual sourcing where product requirements allow
Annual supplier audit program

J&S does not simply introduce suppliers. We coordinate the sourcing process and remain your single point of contact throughout the project.

J&S
Trade Flow

From RFQ to mass production

01

RFQ

Drawing / Spec / Sample Review

02

Supplier Matching

Manufacturer Selection & Cost Review

03

Prototype

Sample Development & Inspection

04

Approval

PPAP / Customer Approval

05

Mass Production

Production & In-process QC

06

Export

Final Inspection / Packing / Shipment

3
Quotation & Lead Time*BUSINESS DAYS
~14
Typical Prototype Lead Time*BUSINESS DAYS

*Subject to product specifications, material availability and supplier capacity.

Quality & Compliance

Quality control at every stage

From supplier qualification to final shipment, J&S coordinates quality control throughout the sourcing process.

Supplier factories currently produce for defense and medical device manufacturers in Korea.
Supplier Certification: ISO 9001
Export & Customs Documentation
ISO 9001 · RoHS · REACH

Supplier Qualification

Certification / capability / production capacity / export readiness.

Incoming Inspection

Material and component specification verification.

Production Control

Process monitoring and supplier communication.

Final Inspection

100% or statistical sampling based on product requirements.

Traceability

Lot-based production and inspection records.

Corrective Action

PPAP / 8D documentation when required.

Trust & Compliance
Mutual NDA Standard Strict IP Protection for Drawings & Specs RoHS / REACH Compliant Supply Chain
How We Work With You

Engagement models

Low Commitment

Spot Sourcing

One-time sourcing for a specific component or project — no long-term commitment required.

Stable Supply

Program Supply

Long-term supply agreement based on your production forecast and annual volume.

Joint Development

OEM Development

Specification → Prototype → Approval → Mass Production, coordinated with our supplier network from day one.

How to Get Started

Let's get started.

Send your NDA & spec for a free cost benchmarking — a single page is enough to get started.

1

Send Your Requirement

Drawing / Specification / Photo

2

Get a Quote

Quotation & Lead Time within 3 Business Days*

3

Evaluate the Sample

Prototype typically within 14 Business Days*

*Subject to product specifications, material availability and supplier capacity.

Looking for a reliable Korean supplier?

Let's discuss your next sourcing project.

Email Jenny Call +82 10 3187 1465
J&S  |  Business Registration No. 138-63-00692  |  Siheung-si, Gyeonggi-do, Republic of Korea
Jenny  ·  Jenny@jnscomponents.com  ·  +82 10 3187 1465