Yan Li is a jewelry designer and amateur astronomer. She define the "astronomical aesthetic" of jewelry design. This is specially designed for young people who travel through the city and yearn for the unknown. Yan Li founder jewelry brand HELIO in 2017,is "unisex", and the cosmic celestial body is the intentional element that can best represent this design style. It is magnificent and mysterious, and the gender difference of human beings becomes small and meaningless under this scale，Therefore, astronomical aesthetics is the gene of this brand.