30 Years in One Field, A Company of Engineers
Since founding in 1992, we have focused exclusively on civil and architectural joint materials. We directly develop, manufacture, and supply products registered to Korea Expressway Corporation, Korea Railroad Corporation (KORAIL), and major construction company specifications.
30+
Years
11
Product lines
500+
Projects
3
Certifications
Greetings from Seolin Industrial.
Thank you for visiting the Seolin Industrial Co., Ltd. website.
Since our founding in 1992, Seolin Industrial has supplied specialty joint materials for civil and architectural fields, contributing to the development of Korea's construction industry.
With over 30 years of accumulated experience and technology, we supply specialty materials including resin, sealants, waterstops, and dowel bars to major construction sites nationwide, and we continue to repay your trust through ongoing R&D and quality management.
Under the management philosophy of "Best Quality, Best Service," we will continue to prioritize customer satisfaction as we move forward as a leader in the construction materials industry.
Thank you.
Lee Byung-deok, CEO, Seolin Industrial Co., Ltd.
Key history
- 02Single-cone and bi-directional cones for PC culverts manufactured
- 03Reliability certification for water-swelling waterstop in shield tunnels
- 04KS certification obtained
- 07Precast concrete panel irrigation channel and construction method
- 07Stormwater retention basin using precast concrete blocks and construction method
- 07Extensible precast block for retaining walls and construction method
- 07Multi-purpose precast concrete blocks for wall structures
- 02Patent filed: water-blocking and sealing device for precast culvert joints
- 06NATM RESIN production started
- 02ISO 9001:2000 certified
- 09Chungbuk Eumseong factory completed
- 10Incorporated as Seolin Industrial Co., Ltd.
- 12Joint Wheeler production started
- 04Rock bolt anchoring resin developed
- 10Alcohol-based defoamer for paper manufacturing developed
- 02Sheet pile waterstop developed (seawater and freshwater grades)
- 06Q-Mark quality assurance obtained
- 02Seolin Industrial founded
- 07Jeonbuk Gunsan factory established (water-swelling waterstop production)
CORE VALUES
Core values
Top-Tier Technology
Global partnerships with DENKA and Sika converge with 30 years of accumulated field data to set the technical standard in Korea's civil joint sector. R&D and field engineers move together — proposing materials suited for every phase from drawing review to installation and maintenance.
Quality First
Built on ISO 9001, KS, and Korea Public Procurement Service Excellent Product certifications, we mandate a 4-stage quality inspection from raw material receipt to shipment. The defect rate maintained below 1% is why national infrastructure such as Seoul Subway Line 9 and Han River bridges have adopted our products.
Customer Satisfaction
We commit to technical response within 24 hours and on-site dispatch within 48 hours for emergencies. Our Seoul HQ, Chungbuk Eumseong factory, and Gyeongnam Changwon office cover 500+ sites nationwide — and we remain responsible across the building lifecycle with regular inspection and repair material supply.
CERTIFICATES
Certifications & Patents

품질 인증서

기술 특허증

사업자 등록증
LOCATIONS