On the new site appeared on the drum printing is what reason?
Basement do epoxy thin coating is not processed and its details, roll paint above the situation will appear?
This is the client's construction site in Guangzhou. The material of xx brand was used before, and the drum marks appeared. In fact, there are other reasons.
We are in the same room with the sample paint to make board with the customer on site, let's have a look (waiting time is 30 minutes)