Exhibit Profile：
1.Rotary liner hanger 2.Stage frac tool for horizontal well3.Ball sleeve for stage frac tool4.Hydraulic liner hanger5.Hydraulic liner hanger6.Float collar7.Super Wearproof and Long Life Mud Pump Liner 8.Drilling fluid additive & cement additive
1.Rotary liner hanger 2.Stage frac tool for horizontal well3.Ball sleeve for stage frac tool4.Hydraulic liner hanger5.Hydraulic liner hanger6.Float collar7.Super Wearproof and Long Life Mud Pump Liner 8.Drilling fluid additive & cement additive
Website：http://www.cnpc.com.cn/bhzt