1. Dongguan Niannianwang Electronic Products Co., Ltd,which locates in the Dongguan clothing and fabric manufacturing base Chashan town,which is specialized in manufacturing and exporting LED electronic series gifts, LED flashing pet series products, LED flashing clothing series products, LED flashing traffic sign series products,LED flashing safety sport series products such as LED Flashing Dog Collar, LED Flashing Dog Harness, LED Flashing Dog Leash, LED Flashing Lanyard, LED Flashing Cap, ...