... cable brief introduction Tianjin Dagang Oilfield Changhong Cable Manufacture Co., Ltd. was founded in 1978, which is specialize ... with Chinese Big Oil Fields which include of Dagang, Shengli, Liaohe, Huabei Oil Fields, Jingjin Area, Shijiazhuang, ... BY ALIBABACompany Name: Tianjin Dagang Oilfield Changhong Cable Manufacture Co., Ltd. Country/Territory: China Registered Address: Near Ban 13 ...