About Song Xudong
About 中国電建集団成都勘測設計研究院有限公司,四川成都,610000
About Zhongguo Xinjishu Xinchanpin
About quality inspection
About investment
About standardization
About exploration(ore deposit)
About project management
About 業務管理
About Construction management
About General
About 工事
About プロジェクト管理
About 標準化
About 探鉱