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青岛德意利集团公司引进、吸收国外先进生产技术研制的我国首套新型MDPE/HDPE燃气管道生产线,近日获得成功,经检测,管材各项技术
The first set of new MDPE/HDPE gas pipeline production line developed by Qingdao Deyili Group Company, which has introduced and absorbed foreign advanced production technology, has recently been successfully tested and tested.