Booth No. A128

Company Introduction
Pioneering New Methods in Subsea Repairs
to Drive Marine Engineering Innovation
Led by CEO Kim Jeong Wook, MK Underwater
Industry Development is positioning itself at the
forefront of South Korea’s marine
infrastructure maintenance
market with its proprietary rapid-setting,
anti-washout subsea
mortar tech designed for surface
water-tightness. Drawing
on Kim’s 28 year commercial
diving experience and R&D insights
from the firm’s specialized
underwater construction
institute, the company has transitioned
traditional subsea repairs,
long plagued by material
separation and structural degradation,
into a high-precision engineering
platform capable of
maintaining durability even in
high-velocity, fully submerged
environments. This integrated
approach, which couples strucplacement, patching, and subsea welding
or cutting, the method has expanded
the scope of commercial diving operations
into hazardous decentralized infrastructure.
This includes highly toxic environments
previously deemed
inaccessible to human contact, such as
wastewater treatment facilities with biochemical
oxygen demand (BOD) levels
exceeding 5,000 mg/L.
to Drive Marine Engineering Innovation
Led by CEO Kim Jeong Wook, MK Underwater
Industry Development is positioning itself at the
forefront of South Korea’s marine
infrastructure maintenance
market with its proprietary rapid-setting,
anti-washout subsea
mortar tech designed for surface
water-tightness. Drawing
on Kim’s 28 year commercial
diving experience and R&D insights
from the firm’s specialized
underwater construction
institute, the company has transitioned
traditional subsea repairs,
long plagued by material
separation and structural degradation,
into a high-precision engineering
platform capable of
maintaining durability even in
high-velocity, fully submerged
environments. This integrated
approach, which couples strucplacement, patching, and subsea welding
or cutting, the method has expanded
the scope of commercial diving operations
into hazardous decentralized infrastructure.
This includes highly toxic environments
previously deemed
inaccessible to human contact, such as
wastewater treatment facilities with biochemical
oxygen demand (BOD) levels
exceeding 5,000 mg/L.
Main Products & Services
Leveraging Patented Technologies
and Dedicated R&D Infrastructure
to Optimize Subsea
Structural Rehabilitation
The company’s core operations center
on its patented method, “Rapid-Setting
Anti-Washout Subsea Mortar Composition
and Concrete Floor Repair Method
Using the Same (Patent No. 10-
1709603).” This technology is actively
deployed in reinforcing subsea infrastructure
across bridges, rivers, and dams. By integrating
chloride-ion penetration resistance with enhanced
moisture permeability resistance, MK Underwater
is extending the theoretical service life limits of
single marine structures. Looking ahead, the firm
is developing next-generation automated maintenance
technologies, combining ultra-high-pressure
waterjet cutting with precision underwater
imaging to pioneer robotic subsea dredging and
automated concrete placement. These technological
milestones are backed by empirical field
data demonstrating superior compressive
strength, bonding strength, and linear variation rates. The company has validated its
commercial viability through highdifficulty
section repairs and exposed
rebar reinforcement in turbulent
marine environments. To ensure
operational consistency, its dedicated
underwater construction institute
has standardized a rigorous
six-step precision process: pre-operation
staging, degradation removal,
high-pressure washing, antiwashout
mortar measuring and
mixing, patching, and final underwater
filming. This tailored, site-specific
approach continues to drive the
system’s long-term structural reliability
and operational efficiency.
MK Underwater Industry Developm
and Dedicated R&D Infrastructure
to Optimize Subsea
Structural Rehabilitation
The company’s core operations center
on its patented method, “Rapid-Setting
Anti-Washout Subsea Mortar Composition
and Concrete Floor Repair Method
Using the Same (Patent No. 10-
1709603).” This technology is actively
deployed in reinforcing subsea infrastructure
across bridges, rivers, and dams. By integrating
chloride-ion penetration resistance with enhanced
moisture permeability resistance, MK Underwater
is extending the theoretical service life limits of
single marine structures. Looking ahead, the firm
is developing next-generation automated maintenance
technologies, combining ultra-high-pressure
waterjet cutting with precision underwater
imaging to pioneer robotic subsea dredging and
automated concrete placement. These technological
milestones are backed by empirical field
data demonstrating superior compressive
strength, bonding strength, and linear variation rates. The company has validated its
commercial viability through highdifficulty
section repairs and exposed
rebar reinforcement in turbulent
marine environments. To ensure
operational consistency, its dedicated
underwater construction institute
has standardized a rigorous
six-step precision process: pre-operation
staging, degradation removal,
high-pressure washing, antiwashout
mortar measuring and
mixing, patching, and final underwater
filming. This tailored, site-specific
approach continues to drive the
system’s long-term structural reliability
and operational efficiency.
MK Underwater Industry Developm












