Inclined U Type Screw Conveyor Inclined Auger Feeder https://www.top-manufacturers.com/inclined-u-type-screw-conveyor-inclined-auger-feeder.html
Babies Ball Teethers Building Blocks https://www.yonglicc.com/babies-ball-teethers-building-blocks/
Tungsten Ring With Carbon Fiber https://www.bjmmecgroup.com/tungsten-ring-with-carbon-fiber/
long range rfid bracelet https://www.chinarfidfactory.com/products/long-range-rfid-bracelet.html