A quick reference manual for mandatory provisions of construction safety.


The course is constantly updated and improved

.

Please consult Mr

.

Li 18910225869 (same as wechat) for details..

.

Tags:

Related Post

Ministry of housing and urban rural development: Notice on printing and distributing technical guide for prefabricated steel structureMinistry of housing and urban rural development: Notice on printing and distributing technical guide for prefabricated steel structure

71) and promote the development of prefabricated steel structure module buildings, our department has organized the preparation of the technical guide for prefabricated steel structure module buildings, which is hereby