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Shaanxi coal group technology exchange
With the Anqing petrochemical engineering and technical personnel and technological exchanges
In the new Shanghai blesses the group technology exchange
Technical communication with Assembly Design Institute
Sinopec Tianjin branch investigation
武汉金中设计院
兰州海默科技
中石化洛阳设计院
中国五环设计院
神华集团鄂尔多斯煤液化中心
太原赛鼎设计院
西安华陆设计院