主營(yíng):
Linyi Yuhang Lighting Eltrical Appliance Co, , ltd loacated in Ancient city of Linyi , which has the beautifulscenery , long history and the convenient trafic
主營(yíng):
Aitelong Technology Co, , Ltd is engaged in R&D, production and sales for communitcation network instrument and backup power supply maintenance &detection instrument,