https://www.cnet.com/news/oneplus-sold-more-than-1-million-oneplus-6-phones-in-22-days/

The Shenzhen-based phone manufacturer announced today it has sold more than one million units worldwide of its OnePlus 6 within 22 days making it the company's fastest-selling device to date. By comparison, it took the OnePlus 6's predecessors, the 5 and 5T, 3 months each to hit that sales mark. 

The sales numbers are certainly good news for OnePlus and show the company is gaining ground. For example, research firm IDC reported Google shipped 3.9 million Pixel phones for all of 2017.