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As a specialized company in the field of offshore construction works, we have numerous records in installation of scaffoldings and special heavy cargoes, and in manufacturing steel structures based on the ship-building business. Particularly, we are playing the pioneering role in the business circle in the field of harbor construction works and offshore bridge construction works with our outstanding technological capabilities and excellent manpower. When it comes to our ability to operate the large floating cranes specially required for temporary installation field among the offshore construction works, we have the best experience and know-how in Korea, and confident that we are the only company that can smoothly operate all floating cranes at 150 ton~3600 ton classes currently in operation in Korea.

The Guide Frame, developed by ourselves with our experience and efforts in technological development for several decades, is the only prefabricated type, movable Frame in Korea, of which its stability and efficiency were verified from the several hundreds of construction sites already, and took position as the standard of the corresponding business circle.

All directors and staff of Sang-A Development Co., Ltd., and Sang-A Industrial Machines Co., Ltd. hereby promise to pioneer the business circle with the sense of responsibility and duty to fulfill the pivotal role of national key industries as a company that is exerting efforts all the while, and a thoughtful company with passion in the future, instead of satisfied for the present achievements.
Sang-A Development Co., Ltd.

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Business Registration No.: 131-81-49077
- Address of Business Place: 9th Fl., Sang-A Bldg., 177-29, Sungeui-dong, Nam-gu, Incheon, Korea
- CEO: Jeong-Yuk, Oh
- Licenses Retained: Demolition Work of Scaffolding and Structure, Steel Structure Construction Business,
    Underwater Construction Business, Vessel Lease Service
Sang-A Industrial Machines Co., Ltd.

- Business Registration No.: 131-81-44048
- Address of Business Place: 9th Fl., Sang-A Bldg., 177-29, Sungui-dong, Nam-gu, Incheon, Korea
- CEO: Jeong-Yuk, Oh
- Business Category: Installation and Demolition of of Scaffolding and Heavy Cargoes, Underwater Construction, Steel Structure Work, Manufacturing of Steel Structures