About NJK-PRO

Company Overview

NJK PRO Co., Ltd. was established in 2016 with registered capital of NT$20 million. The company has approximately 40 employees and operates a 5,000-square-meter facility.
Specializing in the R&D and manufacturing of O-rings, bonded seals, and a wide range of rubber components, our products serve the automotive, motorcycle, marine, aerospace, industrial, electronics, food processing, and medical sectors.

One-Stop Manufacturer of Rubber Components

Building on the group’s manufacturing expertise since 1995, NJK PRO integrates supply chain resources across Taiwan and mainland China to provide one-stop services from mold development through mass production.
With in-house mold development, OEM/ODM production, and manufacturing capabilities, we manage every stage—from design and production to quality control—with a focus on consistent quality, technical expertise, and responsive service. We are committed to meeting the diverse needs of customers worldwide and serving as a trusted global partner.

In-House Tooling Center

In-house mold fabrication enables rapid prototyping and mass production while ensuring precision and efficiency.

In-House Rubber Compounding

Our in-house mixing capabilities enable us to develop custom compounds that improve heat, oil, and chemical resistance based on specific application requirements.

Collaborative Product Development

We collaborate with customers on product design and deliver optimized sealing solutions from initial concept through mass production.

Our Facilities

Laboratory

2.5D optical measuring system, rheometer, tensile testing machine, density meter, Shore A durometer, and Type M durometer

Machining Center

CNC milling machines, lathes, and laser engraving machines

Production Center

3 injection molding machines, 18 compression molding presses, extruder, spray coating machine, centrifugal deflashing machine, cleaning machine, and cutting machine