Formerly JUIJIH · Now RUIJI

STEEL COIL PROCESSING · KAOHSIUNG TAIWAN

Taiwan’s Only Hot-Rolled Coil Processor Up to 25mm

Since 1990, RUIJI has focused on steel coil cutting and processing. With over 30 years of experience, we support industrial customers with stable quality and practical service, from standard cutting to extra-thick, extra-wide, and special coil-shape materials.

CORE CAPABILITIES

Key Processing Capabilities

Multiple coil materials

Hot-rolled, checker plate and stainless steel coils

Heavy-gauge levelling & slitting

Levelling up to 25mm|Slitting 0.3–6mm

Special material evaluation

Extra-thick, extra-wide, high-hardness and irregular coils

Large-format cut-to-length

Up to 2000mm wide|15m long

One-stop delivery

Steel sourcing, processing and delivery to specified sizes

25mmMaximum levelling thickness
0.3–6mmSlitting thickness range
2000mmMaximum cutting width
15mMaximum cutting length

WHY RUIJI

Why Work with RUIJI?

RUIJI turns years of processing experience, quality requirements, and special-material handling capabilities into clear, easy-to-quote service information.

01

25mm Hot-Rolled Coil Processing Capability

Our ability to process hot-rolled coils up to 25mm is a key differentiator, allowing us to evaluate heavy-gauge materials that many processors cannot easily handle.

02

Quality Assurance, No Returned Goods

We focus on flatness, diagonal accuracy, and dimensional stability, maintaining quality from standard cutting to high-difficulty heavy-gauge materials.

03

Special Coil Shapes & Defective Material Handling

Extra-thick, extra-wide, hard, deformed, loose, or rejected slab coils can be evaluated based on material condition.

04

Material Sourcing & Integrated Delivery

In addition to processing, we can assist with steel plate and coil trading and international trade-related inquiries.

Long-Term Partners

China Steel, Chung Hung Steel, Kao Hsing Chang, Far East Machinery, Li Shang Steel, and others.

RUIJI BLOG

RUIJI Insights

This section will share steel-processing knowledge, quotation preparation tips, and industrial applications to help customers understand our services before contacting us.

Quote Guide

What Information Should You Prepare Before Requesting a Quote?

A simple checklist to help customers provide material, size, quantity, and delivery requirements.

Processing Knowledge

Leveling, Cutting, and Special Processing

A clear explanation of service differences for customers new to steel processing.

Applications

Common Industrial Applications and Cases

Future posts may include company experience, FAQs, and industry articles.

REQUEST A QUOTE

Need Steel Coil Leveling, Cutting, or Special Processing?

Send us material specifications, dimensions, quantity, and delivery requirements. We will help evaluate the processing method.

ENGINEERING & KNOWLEDGE PLATFORM

More than processing: a record of how problems are solved

RUIJI organises equipment capability, test records, media reports and practical experience into a growing technical archive.

01

Processing

Slitting, leveling, cutting and special material review.

View services →
02

Case Studies

Engineering records from problem to result.

View cases →
03

Insights

Practical steel material and processing knowledge.

Read insights →
04

Media

Third-party reports on RUIJI’s work.

View media →

ENGINEERING TIMELINE

RUIJI’s engineering development

From heavy-gauge cutting equipment to a growing technical knowledge platform.

2010

Heavy-gauge hot-rolled cutting

Internally developed methods and equipment for 6–25mm hot-rolled material.

View case
2013

The “Invincible Locking King”

Custom equipment for difficult steel and improved material utilization.

View case
2026

Engineering knowledge platform

Historical reports, test records and practical experience organised into a lasting archive.

View case studies