01Lightweight and Strong
Light Weight and Strong
The grid structure reduces weight per unit area while welding ensures it can withstand heavy loads.


Light Weight and Strong
The grid structure reduces weight per unit area while welding ensures it can withstand heavy loads.

Non-Slip and Safe
The surface is textured to prevent slipping, providing added safety.

Excellent Light Admission and Ventilation
With an open area ratio over 70%, it allows ample light, ventilation, and drainage, making maintenance easy.

Long Lifespan and Cost-Effective
Hot-dip galvanized treatment allows near-permanent use, making it very economical.

Easy Installation and Removal
Produced under strict quality control to match site conditions, ensuring simple and convenient installation.

Beautiful Appearance
Ideal for modern roads, industrial facilities, ships, and bridges, ensuring both aesthetics and hygiene.

Customizable Fabrication
Designed to standard specifications, it can be easily modified according to customer requirements.

Hygienic and Convenient Cleaning
Sangjin gratings are designed with safety in mind, allowing easy cleaning of drainage areas.
Precise technology, perfect quality,
a reliable partner—
Sangjin Development.
Address244 Singil-ro, Ansan-si, Gyeonggi-do (Banwol Industrial Complex 198-8-1)
Business Registration No.134-81-02066
TEL031-8085-9000
FAX031-8085-9001
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