Shandong Hisea Energy Corporation Limited(HISEA) is a leading sponsor of Shandong Carbon Manufactures Association (SCMA).The company,setted up according to the modern enterprise systerm,is a specialized,integrated enterprise that provides full range of sevices from production,sales,research and development,technical services all under one roof.The headquarters and operation center of company is located in the Shengli Oil Field-Dongying which is 30 km away from Dongying Airport(DOY) and is adjacent to...