www.人人人干.con,www.com.@黄片,国产精品叼嘿视频网站,亚洲国产日韩欧美高清片18,日本护士在线视频xxxx免费,真人男女真交视频免费观,加勒比五月天性色视频在线

&On February 9, 2020, Doha company of the group successfully passed the ISO management system certification and obtained the corresponding certificates. &This audit focuses on six departments of Doha company, namely, operation Department, procurement department, finance department, personnel department, production safety department and quality technology department, and reviews the quality, safety and other aspects of the construction site. The audit team conducted a comprehensive and in-depth audit and evaluation of the company's management system through discussion with the company's management, construction site inspection and data verification, and agreed that the operation of the Doha company's management system met the certification standards and passed the certification.