30 Years of Accumulation

Seolin Industrial founded

Jeonbuk Gunsan factory established (water-swelling waterstop production)

Sheet pile waterstop developed (seawater and freshwater grades)

Q-Mark quality assurance obtained

Rock bolt anchoring resin developed

Alcohol-based defoamer for paper manufacturing developed

Chungbuk Eumseong factory completed

Incorporated as Seolin Industrial Co., Ltd.

Joint Wheeler production started

ISO 9001:2000 certified

NATM RESIN production started

Patent filed: water-blocking and sealing device for precast culvert joints

Precast concrete panel irrigation channel and construction method

Stormwater retention basin using precast concrete blocks and construction method

Extensible precast block for retaining walls and construction method

Multi-purpose precast concrete blocks for wall structures

KS certification obtained

Reliability certification for water-swelling waterstop in shield tunnels

Single-cone and bi-directional cones for PC culverts manufactured