Lay Zhang has been a brand ambassador for Hublot since October 2019, recognized for his blend of traditional and modern elements in performances that align with the brand's 'Art of Fusion' philosophy. Prior to this partnership, he was known as a collector of Hublot watches, showcasing his appreciation for exceptional craftsmanship. Hublot values bold innovation and Lay's dedication to performance reinforces their commitment to these ideals.

Lay Zhang became the global brand ambassador for TECNO in June 2024. Since then, he has participated in various brand campaigns and product promotions, including support for his concert tours and fan engagement initiatives. Notably, he featured in the 'Unstoppable Step' film launched in October 2024. In August 2025, the partnership was renewed to include showcasing TECNO's AI-enhanced POVA series and exploring music collaborations that blend Chinese Pop and Afrobeats.