大连华科机械有限公司
Exhibit Profile：
9 5/8″ screen pipe hanger 7″ thermal-stress casing compensator Φ 152 window-tapered mill Φ 148 deflection 7″ dual-level prestress anchor of well-cementation casing
9 5/8″ screen pipe hanger 7″ thermal-stress casing compensator Φ 152 window-tapered mill Φ 148 deflection 7″ dual-level prestress anchor of well-cementation casing
Website：www.dlhuake.com