Kero yehofisi: 2^ndFloor, National Mold Products Testing Center,RoadLianhu,Chang'an Township,Dongguan City,Guangdong Province 523840,China.

Kero yefekitari: Nha.175,Road Daxing,Yangwu Industrial Zone,Dalingshan Township,Dongguan City,Guangdong Province,China