As a co-founder, Kay focuses on physical store management and gemstone factory quality control. With strict standards, she guards each gemstone's quality from factory to customer. She requires staff to know every gem's "identity file" and clearly explain its materials, cutting techniques and unique luster, making kayjewelry.store both a sales venue and a window to showcase gem charm.

Yuki is a motivated sales representative focused on customer service and order follow-up. Her enthusiastic approach and responsiveness ensure clients feel valued and informed during the custom jewelry process.Yuki's commitment to building lasting relationships and delivering exceptional service makes her an invaluable team member at KeyJewelry.