Manhua sites produced in China. And viewing on the phone. That's why it's most often draw in Colored manga, in the form of a long strip. There are exceptions. They release in Best manga format (in pages), and very rarely there are black and white works. Like the Korean manhwa, they often use 3D graphics for backgrounds. But far more often the graphics are of poor quality and it's eye-opening. There are also very specific cultural differences with Japanese Comics, which will be discussed below.