What are the seats in the carriage called?

It's called Madzar. Mazha is a traditional handicraft in China. This is a small seat. In ancient times, Mazar-e-Mazar was put in a carriage as a seat, with legs crossed as a support, and canvas or hemp rope stretched on it, which could be folded and carried easily. Mazar, commonly known as bench and parting, is famous for its unique technology, beautiful appearance, durability and easy carrying.