Both Shenzhen and Shanghai have won the title of international design capital, so many well-known design companies are located in these places.
Shenzhen has: chocolate, Galantu, Inspur, Yimei and so on.
Beijing has: art has a road, rococo.
There are: Hao Han, Hefeng, IDEO, etc.
Shanghai is dominated by internationally renowned design companies, while Shenzhen is dominated by local design companies.