On October 30, 2021, Shanghai, the 4th "Roca One Day Design Challenge" Shanghai Station hosted by the Spanish century-old bathroom brand Roca successfully concluded on October 30 at the Roca Shanghai Art Gallery. Davie Wei, co-founder and design director of HATCH, and a number of cross-border design experts formed the trump card review lineup of the "Roca One Day Design Challenge". As industry elites, expert judges rely on their senior industry experience and uniqueness The vision not only made high-level judgments on the on-site works from many aspects, but also provided valuable advice and guidance to the contestants, carefully tapping the strength and potential of the new generation of designers, and helping the new Chinese design forces.