ENGINEERING CASE STUDIES

Case Studies

Documented examples of heavy-gauge steel processing, equipment development and difficult material handling.

RUIJI ENGINEERING ARCHIVE

Processing knowledge built from real problems

Each case explains the material condition, technical constraints, processing approach and observed result.

CHINA STEEL TEST CASE

A documented S355J0 hot-rolled coil test covering decoiling, leveling, cutting and flatness inspection.

TECHNOLOGY

How RUIJI developed its own heavy-gauge hot-rolled coil cutting equipment.

EQUIPMENT

A custom equipment story focused on difficult steel, edge material and improved material utilization.