Shenzhen WlpromotionElectronic Factory is a professional manufacturer specializing indesigning, manufacturing and exporting LED light up gift andpromotion gifts. Our main products includes electronic gifts,flashing products, advertising gifts and promotion gifts, such asprojector pen, projector keychain, LED light up pen, LEDflashing keychain, liquid floater pen, medical torch, 3 in 1LED light pen, diamond pen etc. We can make customers designand print OEM logo on the products. Our products are used to dopromotion.   Â