Here is a list of new/upcoming lenses for Nikon Z-mount from various Chinese manufacturers/brands:
7Artisans will soon announce a new 9mm f/5.6 full-frame ultra-wide-angle lens.
AstrHori officially announced (development announcement) the previously reported 85mm f/1.8 AF lens for Nikon Z-mount (the Sony version can be found here).
Viltrox confirmed that their new AF 27mm f/1.2 Pro lens will be available also for Nikon Z-mount.
Venus Optics has two new lenses:
Xingyao Optical will announce two new lenses (sold on Amazon and Funleader):
Meike displayed a new AF 55mm f/1.4 APS-C lens.
Astrhori will announce a new 28mm f/13 mark II probe lens.