黑龙江北方双佳钻采机具有限责任公司
HEILONGJIANG NORTH SHUANGJIA DRILLING TOOLS CO., LTD.Booth：E2175

Exhibit Profile：
WELLHEAD TOOLS,HOLE OPENING TOOLS,DRILL-STAM TOOLS, JARS,DRILLING TOOLS FOR TOP DRIVE,DIRECTIONAL TOOLS, CEMENTING TOOLS AND CASING ACCESSORIES TOOLS,FISHING TOOLS ,MILLING TOOLS and INCIDENT HANDLING TOOLS, etc