About yoyo designThe head yoyo designer is Eren Atas who used to be MIUI Beta Team leader. VOSUN series yoyo designed by talent yoyo players, with years of innovation, many top world yoyo champions throw their idea for pushing VOSUN design to a higher levels.About manufactureWith 5 CNC turning lathe and 3 sets of other machines belong to manufactures.(Not only yo-yo service, high end bicycle parts, luxury watch) Provide widely OEM service world wide. For years of R&D, we have made aluminum, titanium, copper, stainless steel, POM, wood and other material processing for yoyos.