牡丹江长城油气钻采工具有限公司
Mudangjiang Greatwall Oil and Gas Drilling Co.,Ltd.Booth：E3020

Exhibit Profile：
Drilling Type Variable Diameter Hole Openers，Roller Reamer，IBOP,Upper Kelly valve，tubing kelly valve，float valve，Casing Scraper，Rotating casing scraper，Caing Spears，Integral Blade Stabilizer，Integral Mandrel Sleeve Stabilizer，Junk Baske，overshot，Junk Sub，cup tester，top drive saver sub，THREE-BEND CIRCULATING HEAD ，