I don’t know whether you want a stainless steel cup or a glass cup. Let me give you a general introduction.
High-end brand cups: Xino, Wanxiang, Water God, Jinkou , these brands mainly make stainless steel thermos cups, and the prices are higher.
Mid-range brand cups: Jiahui Fuguang Yatai
Among them, Jiahui specializes in making glass cups. Yes, Fuguang and Yatai make many types of cups. If you are making glasses, it is recommended to choose Jiahui or Yatai. I will send you a picture of the Jiahui glass. The others were not found