beijing hongyuan e-o technology co 北京红源光电技术公司
The designing, construction, technology of grouting curtain engineering of the Hongyuan mansion are presented and its protection measures which should be taken are summarized.
阐述宏源大厦防渗帷幕的设计要点、施工工艺、施工方法，以及施工中采取的质量管理措施，最后对施工工作了总结。
Luquan Hongyuan Food Industry technology development co., Ltd. is a comprehensive agricultural development in science and technology enterprise.
禄劝鸿源绿色食品产业科技开发有限公司是一个从事农业综合开发的科技型企业。
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