1950, Qingdao Daxin Wire Works, Address: shenyang Road, Qingdao, Shiinaha
1967, baxshay Qingdao Wire Works, dib u dhiska dejinta, Address: Dhexe ee Road Shandong, Qingdao, Shiinaha
1985, baxshay Qingdao Cable Works, Factory ballaarinta
1995 -dhiska-dejinta, Address: No.243 Jia 308 Highway Qingdao, Shiinaha
2000 Our RHH Cable iyo THHN silig ayaa ku qoran By UL
2011 -dhiska-dejinta, Address: No.16, Jifalongshan Road, Ilaalinta Deegaanka Warshadaha Park, Jimo, Qingdao, Shiinaha