A popular Chinese website (they also have a store on AliExpress) with a variety of products
KBDFans
A Chinese site with a wide selection of keyboards and accessories. They produce popular keyboards like the KBD8X, Odin, Tet, Pluto, and more.
Other Shops to Check Out
KineticLabs
A well-designed site offering a variety of products, including their own branded items like PolyCaps keycap sets, with a smooth and user-friendly experience.
CannonKeys
A long-standing and highly regarded manufacturer in the field (known for producing Bakeneko keyboards and popular PBT keycap sets). They offer a very wide range of products of all types, as well as group buys for many additional items.
DIYkeycap
A Chinese site with a broad selection of inexpensive keycaps (mostly clones of popular premium sets), and the option to design and customize your own keycap sets.
Yuzu Keycaps
A site that allows you to design your own keyboard set, including legends in a variety of languages