Shenzhen Kandery Technology Ltd Located in Xihuan Industry Zone,It is one of the Most professional fidget spinner factory focus development,design and production.Currently,5 R&D Department Team,50 Employee,3 Semi-Automatic Production Lines,1500 Square Meters factory,Capacity:2000PCS/Day. Issue rate less than three in a thousand. We believe that the "quality is life",A good quality fidget spinner must come from a factory with good quality materials combined with skilled assembly and serious quality control systems.We have a professional testing team ,every piece ship before 3 times testing.Make sure the issue rate less than three in a thousand.