好湿好硬好痛视频_无码中文字幕视频魅影网_免费a级毛片18以上观看精品_国产精品自在拍在线播放

聯(lián)系我們 | Contact Us
當(dāng)前位置: 網(wǎng)站首頁 >> NEWS >> Company News
The engineering method that declared by our group wins the national first-grade

 Recently, three of four state-level engineering methods that declared by our group have been approved, which contain the national first-grade engineering method “the construction method of cambered ceramic plate curtain wall with adjustable cantilever, without beam” (co-edit with Shandong NingJian), the national second-grade engineering method “the construction method of hyperboloid Aluminum single board curtain wall with squama style installation” (co-edit with Shandong NingJian) and “the construction method of UF cast-in-place and thermal insulation” (co-edit with Shandong Wanxin).