Mazhuang Village, Yuhe Town, Huixian City, Xinxiang City, Henan Province, China 
cup-shaped tile
Mounted between a bowl tile frame and a carcass section, the contact surface between the carcass section and the bowl tile is a spherical surface, the carcass section is also provided with two spherical rings on the outside of the spherical surface, and a seal is also provided between the carcass section and the bowl frame.
