nhi headlines
"mixed reform" enables old state-owned enterprises to transform and upgrade to intelligence 
time:2021-07-14
time:2021-07-14
nhi makes full use of technological advantages to develop modern construction industry time:2021-07-10
time:2021-07-10
promote development through upgrading extend industry chain and improve new arrangement time:2021-06-30
time:2021-06-30