河南中原特钢装备制造有限公司
Henan Zhongyuan Special Steel Equipment Manufacturing Co., LtdBooth：E3006

Exhibit Profile：
DRILL COLLARS, INTEGRAL HEAVY WEIGHT DRILL PIPE, KELLY,STABILIZER, NON-MAGNETIC DRILL COLLARS, NON-MAGNETIC STABILIZER , MANDREL BAR 、PETROLEUM DRILLING TOOL STEEL （4330V ,17-4 PH,15-5PH）、 VALVE BOX