OPPO

Check it out: OPPO launches 5G prototype smartphone
OPPO Find X 5G prototype launched to 'help develop 5G ecosystem.'
Oppo showcases 5G Internet connectivity ahead of 2019 5G smartphone launch
Company is pushing to be the first to relase a commercial 5G smartphone.
Qualcomm collaborates with Chinese smartphone manufacturers for 5G devices
5G Pioneer initiative to accelerate the availability of commercial 5G premium tier devices expected in 2019