1950,Qingdao Daxin Wire Works ,Address: Shenyang Road, Qingdao,China
1967, Renamed Qingdao Wire Works, Relocation reconstruction, Address: Middle of Shandong Road,Qingdao,China
1985，Renamed Qingdao Cable Works , Factory expansion
1995 Relocation reconstruction, Address: No.243 Jia 308 Highway Qingdao,China
2000 Our RHH Cable and THHN wire were Listed By UL
2011 Relocation reconstruction, Address: No.16,Jifalongshan Road, Environmental Protection Industry Park, Jimo, Qingdao, China
