qingdao road, Dongying, Shandong, China,257000
Located in Doingying City, Shandong Province, where is the headquarter of Chinese second largest oilfield - Shengli Oilfield, . Dongying CORRTECH Cathodic Protection Technology Co. consists two departments: Department and Exothermic Welding Research ...
cathodic protection product, sacrificial ***** rectiifier, reference electrode