由山西歐方科技有限公司自主研發(fā)的“一種螺旋焊管內外焊數(shù)控控制裝置”獲得國家知識產權局授權實用新型專利，標志著公司在[螺旋焊管裝備制造領域]取得又一進步。 The CNC control device for inner and outer welding of SSAW pipes, independently developed by Shanxi Oufang Technology Co., Ltd., has been granted a utility model patent by the China National Intellectual Property Administration. This milestone marks another breakthrough for the company in the field of SSAW pipe equipment manufacturing.