With Woowon's strength and technology to change the landscape
- Certification Standard
- ISO 45001 : 2018
- Certification Range
- Reinforced Concrete Construction, Groundwork, Water and sewage construction, scaffolding dismantling work, Underwater Construction and Metal Construction
- Received Date
- 2022.10.27
- Renewed Date
- -
- Expiration Date
- 2025.10.26
- Certification Standard
- ISO 9001 : 2015
- Certification Range
- Reinforced Concrete Construction, Groundwork, Water and sewage construction, scaffolding dismantling work, Underwater Construction and Metal Construction
- Received Date
- 1997.05.17
- Renewed Date
- 2021.06.01
- Expiration Date
- 2024.05.31
Overseas
-
Overseas Construction Business
Pavement Construction Business -
Overseas Construction Business
Pavement Business -
Overseas Construction Business
Reinforce Concrete Construction Business -
Overseas Construction Business
Underwater Construction Business -
Overseas Construction Business
Water and sewage plant construction Business -
Overseas Construction Business
scaffolding dismantling Business -
Overseas Construction Business
Boring Grouting Business -
Overseas Construction Business
Plaster/Waterproofing/Masonry Business -
Overseas Construction Business
Metal Windows & Doors Work Business
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Vibration-free rock crusher and excavation method using the same
Patent -
Data portal service system and method
Patent -
vertical-tunnel-do-use
Patent -
vertical terminal construction
Patent -
Horizontal drainage layer laying method using soil reinforcement
Patent