C681 Whining

"Not bad." Black Tiger said indifferently.

"Big brother, let's be content, alright?" Zhang Wu said, "This is our latest technology. This glass took 20 years just to use rouge, and this is a material that even the United States doesn't have. And right now, there are less than 20 of these in the entire country."

I know that this matter is rather difficult, but in my eyes, anything that comes out