ABOUT US
關于海川
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01建筑工程施工總承包特級Class Special Grade General Contractor of Housing Construction
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02建筑行業（建筑工程、人防工程）甲級工程設計Construction industry (Construction Engineering, civil air defense engineering) grade a project design
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03鋼結構工程專業承包壹級Class A Special Contractor of Steel Structure
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04建筑裝修裝飾工程專業承包壹級Class A Special Contractor of Buildings Decoration
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05建筑機電安裝工程專業承包壹級Class A Special Contractor of installation of mechanical and electrical equipment
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06建筑幕墻工程專業承包壹級Class A Special Contractor of building curtain wall
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07市政公用工程施工總承包貳級Class B General Contractor of Municipal Public Works Construction
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08中華人民共和國對外承包工程資格Qualification for Foreign Contracting of The People's Republic of China
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09ISO 9001質量管理體系認證IS09001Quality Management System Certification
