The two-piece toilet: It is a toilet in which the flush tank is separated from the toilet body, and its middle part is fixed by bolts and seal rings
The one-piece toilet: It is a toilet in which the flush tank incorporates with the toilet body.
The wall-mounted toilet: It has no flush tanks at first and can be used only after a concealed flush tank or a flush valve is otherwise provided.
The squatting pan: It is usually used in the public site.
Features: In contrast with the counterpart two-piece toilet, the one-piece toilet has higher requirements for production techniques, holds a smaller volume and is sold at a slightly higher price. The wall-mounted toilet is smart but its installation and construction is complicated.
By drainage mode
The rear drainage toiler: Its drainage outlet is behind the toilet.
The underneath drainage toilet: Its drainage outlet is under the toilet.
The elongated toilet: Generally, the distance from its mounting hole to its foremost end measures 470mm, which is comfortable for sitting.
The regular toilet: Generally, the distance from its mounting hole to its foremost end measures 440mm.