Huawei, the global telecommunication giant, might have already rolled off almost 15 million units of its surprise model – the Mate 60 series. Analysts suggest that out of these, a whopping 7 million handsets are poised to be sold to local consumers. The Chinese telecommunication behemoth's latest flagship offerings, the Mate 60 series, is expected to witness significant sale numbers amid a potentially revolutionary chip breakthrough and a rising wave of patriotic fervour in China.

Riding the wind of technological advancement in the domain of semiconductors, Huawei is rumored to have achieved significant breakthroughs in chip technology for this product line. This adds to the appeal of the Mate 60 series, possibly pushing its sales figures upwards in the homeland. More intriguing is the fact that this accomplishment comes amid a global industry-wide chip shortage, lending an added patina of credibility to Huawei's technological prowess.

Furthermore, the rising sense of nationalism in China engenders a climate conducive to the soaring demand for homegrown brands. Huawei’s Mate 60 series stands to gain from this environment, as Chinese consumers are likely to prefer a home-made brand that symbolizes the country’s technological might. As such, the undercurrent of patriotic sentiments could well drive millions of sales of the Mate 60 series in the domestic market.

This scenario suits Huawei perfectly, given its strategic focus on expanding its market share in the home market in response to challenges posed by contentious international trade policies. The unexpected popularity of the Mate 60 series may potentially enable Huawei to not only retain its base of loyal customers but also attract new consumers in the Chinese market.

Notably, this prediction is not just an air castle. Analysts estimate that, of the 15 million handsets already put out by Huawei, a bare minimum of 7 million devices have a rosy forecast of getting sold. These numbers suggest a ​​robust demand for the Mate 60 series - a clear testament to the rising prominence of the Huawei brand domestically.

In conclusion, Huawei is strategically positioned to sell millions of its unexpected Mate 60 series in China. The combination of a looming chip breakthrough and the swelling patriotic fever are expected to fuel demand for the brand's products. This assumes even greater importance considering the global semiconductor shortage, offering a testament to Huawei's resilience and technological might.