
Experience
SUNG IL CO.,LTD.(SIM) established in 1978, has grown into a leading supplier of piping systems for various plant industries. Our products are applied across diverse sectors, including nuclear power, combined cycle power plants, and shipbuilding and marine industries. Recognized for our technical expertise, we continue to achieve steady growth in performance.

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14
Nuclear Power Plant
-
37
KOGAS-Induction Bending
-
279
Combined Cycle
Power Plant -
96
Others
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144
On & Off Shore Plant
With a new perspective on the world
Leading technology
for the future
Factory Processed Piping
High-Frequency Bending
No. 1 Global leader Company
With decades of expertise in pipe manufacturing,
Sungil SIM Co., Ltd. serves over 700 clients across 54 countries.
Since its founding in 1978,
Providing Expertise-Driven
Technology for a Global Market
Business Area
Under ASME, DNV, KEPIC, and other international and domestic certification standards, we operate a top-tier, specialized facility for the production of pipes and fittings (such as flanges, tees, reducers, etc.). Every step of the manufacturing process is conducted under strict quality control.