COMPANY
CEO Message
For nearly half a century, one focus:
calendering technology
for flame-retardant, digital-print, VCM and thermoforming
PVC and PP sheets and films.
Welcome to Kumkang Enterprise Co., Ltd. and Sunin Co., Ltd. Thank you for your interest in our company.
Since our founding in 1977, Kumkang Enterprise has built nearly fifty years of expertise in PVC and PP sheet and film manufacturing based on calendering technology. From flame-retardant film, decorative sheet, digital printing media, VCM film for steel laminates and thermoforming sheet, we produce a full range of materials for industry under one roof — and we have grown alongside our customers.
In the materials industry, competitiveness comes down to two things: uniform quality and reliability that does not waver. We manage every stage in-house — from raw material intake through compounding, extrusion, calendering, inspection and packaging — with strict control over color variance, thickness and dimensional accuracy. That discipline has made us a trusted partner to leading Korean manufacturers.
Together with our subsidiary Sunin Co., Ltd., we continue to expand capacity and invest in new equipment, including coating lines, to deliver wider formats and higher quality.
Kumkang Enterprise and Sunin remain committed to honest manufacturing and consistent quality — and to long-term partnerships with our customers. Thank you.
Kumkang Enterprise
KUMKANG ENTERPRISE
Sunin Co., Ltd.
SUNIN CO., LTD.
Kang In-seop appointed CEO. The company took its first steps in industrial film and sheet manufacturing based on calendering technology.
Kang In-seop, CEO. Incorporation established a stable production and management structure.
A new management structure laid the groundwork for sustained growth.
The move to 312 Cheongyong-ro, Samseong-myeon created the foundation for expanded production capacity.
Expanded production equipment strengthened our industrial film supply capability.
Continued equipment investment completed a stable production system across our full product range.
Established at Sincheoksandan 1-ro, Deoksan-eup, Jincheon-gun, Chungcheongbuk-do, expanding our production footprint.
A 26-inch calender line was installed for wide-format thermoforming products.
An additional line was installed to broaden our range, including mirror-finish and advertising materials.
