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Jiangsu Yuyang Petrochemical Equipment CO.,LTD
Online Supplier
Business Type: Manufacturer
Main Products:油套管动力钳电机液压动力源柴油机液压动力源气密封检测装置旋扣钳钻杆动力钳气动吊卡及卡盘井口装置及采油树设备节流压井管汇
