I hope everyone will be “cow” in the New Year! Happy and happy! Everything can be expected! New Year greetings from the infrastructure branch of Sinohydro bureau 3 . Infrastructure
Fully implement the new version of electronic certificate. 2、 The new version of the electronic certificate can be obtained by the construction enterprises that have held the old version of
There are training institutions in large and medium-sized cities all over the country, and the examination is relatively simple. The difficulty of the examination is about 0.91% in 15 years,