装睡被陌生人摸出水好爽-亚洲妇女无套内射精-欧洲熟妇色xxxxx欧美老妇伦-老师脱了内裤让我进去-日本韩国男男作爱gaywww-热久久美女精品天天吊色

Company News
Group company Steel structure engineering professional contract successfully pro

 On 7th November, 2013, approved by the department of housing and urban-rural development, the group company of steel structure project specialized contracting qualification by the secondary promoted to level.Since then, the group in the steel structure of contracting scope will expand to undertake various types of steel structure engineering, including network frame, light steel structure engineering, production and installation, continue to promote the group to further improve the market competitiveness.
   
Steel structure project specialized contracting qualification is different from other professional contracting qualification, the qualification to the ministry of construction for approval.The steel structure engineering qualification promotion work after the data sorting, filing, project performance auditing on-site check, the ministry of construction, public announcements, etc