国产精品无码MV在线观看_2020国产精品永久在线观看_国产精品特级毛片一区二区三区_久久99热这里只有精品国产

&Recently, the qualification of construction labor enterprises declared by the group company has passed the examination and approval of the Municipal Bureau of housing and urban rural development. This qualification can undertake all kinds of construction labor operations regardless of grade, and can be used as the general contracting and professional contracting qualification of construction engineering, municipal engineering, etc. of the supporting group, and can be filed in the foreign market. This move will further promote the standardization of the market operation of the group company and provide assistance for the market expansion of the group company.