1950, Qingdao Daxin Wire Works, Address: Shenyang Road, Qingdao, China
1967, pinangalanang-muli Qingdao Wire Works, Pagpapalit ng Tirahan-tatag, Address: Middle of Shandong Road, Qingdao, China
1985, pinangalanang-muli Qingdao Cable Works, Factory expansion
1995 Pagpapalit ng Tirahan-tatag, Address: No.243 Jia 308 Highway Qingdao, China
2000 Ang aming RHH Cable at THHN wire ay Nakalista sa pamamagitan ng ul
2011 Pagpapalit ng Tirahan-tatag, Address: No.16, Jifalongshan Road, Environmental Protection Industry Park, Jimo, Qingdao, China