BNB成立于1982年，致力于为社会和人类幸福做出贡献
38 年的防腐蚀专业知识。
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| Jangja Bridge / New |
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| Gunjang Bridge / New |
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| Namgye~Yuma Guardrail / New |
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| Suncheon BonghwaTunnel / Repair |
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| Seongnam Underpass / Repair |
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| Underground Trains in the New Town of Doan, Daejeon / New |
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| Mandeok Tunnel / Repair |
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| Okryong water purification plant a distributing reservoir / Repair |
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| Daegu Jukgok water purification plant / Repair |
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| Ansan a distributing reservoir / Repair |
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| Jangja General Industrial Park Waste Water Treatment Plant / New |
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| JebuPort steel pipe file / New |
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| Saemangeum Drainage Gate / New |
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| Oryukdo Lighthouse / Repair |
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| Pyeongtaek dock / New |
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| 2009~2011 Metropolitan area 1st stage wide-area waterworks |
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| Buyeo~Nonsan Gold mining area waterworks / New |
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