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            Products & services
            
                            
            
                        
            
                    
            
            
            
            
            
        
            
    
            


            
    
            
        
    
            
        
            
            
        
            

            


            
    
            
					
            
						
            
							
            Special drilling tools
            
							
            
							
						
            
						
            
					
            
					
            
                            Hilong Double Shoulder Connection
                            Hilong Super High Torque Connection
                            Hilong Gas Sealed Connection
                            Hilong Super High-Strength Drill Pipe
                            Hilong Sour Service Drill Pipe / Sour Service Heavy Weight Drill Pipe
                            Hilong Non-Slip-Crush Drill Pipe
                            Hilong Slip-Protected Drill Pipe
                            Hilong Flush Hole Drill Pipe
                            Hilong Double-Walled Drill Pipe
                            Hilong Arctic Service Drill Pipe
                            Hilong Landing String Drill Pipe
                            Hilong's Electronic Tag Drilling Tool and IoT Management System
                            Hilong Efficient Cuttings Bed Clean Drill Tool
                            Hilong Large Size HDD (Horizontal Directional Drilling) Drill Pipe
                            Hilong Slim Drill Pipe
                            HLNST
                    
            
                    
            
                        
            
                                
            
                                    
            
                                    
            
                                        
            Hilong Double Shoulder Connection
            
                                        
            
                                        
                                    
            
                                
            
                                
            
                                    
            
                                    
            
                                        
            Hilong Super High Torque Connection
            
                                        
            
                                        
                                    
            
                                
            
                                
            
                                    
            
                                    
            
                                        
            Hilong Gas Sealed Connection
            
                                        
            
                                        
                                    
            
                                
            
                                
            
                                    
            
                                    
            
                                        
            Hilong Super High-Strength Drill Pipe
            
                                        
            
                                        
                                    
            
                                
            
                                
            
                                    
            
                                    
            
                                        
            Hilong Sour Service Drill Pipe / Sour Service Heavy Weight Drill Pipe
            
                                        
            
                                        
                                    
            
                                
            
                                
            
                                    
            
                                    
            
                                        
            Hilong Non-Slip-Crush Drill Pipe
            
                                        
            
                                        
                                    
            
                                
            
                                
            
                                    
            
                                    
            
                                        
            Hilong Slip-Protected Drill Pipe
            
                                        
            
                                        
                                    
            
                                
            
                                
            
                                    
            
                                    
            
                                        
            Hilong Flush Hole Drill Pipe
            
                                        
            
                                        
                                    
            
                                
            
                                
            
                                    
            
                                    
            
                                        
            Hilong Double-Walled Drill Pipe
            
                                        
            
                                        
                                    
            
                                
            
                                
            
                                    
            
                                    
            
                                        
            Hilong Arctic Service Drill Pipe
            
                                        
            
                                        
                                    
            
                                
            
                                
            
                                    
            
                                    
            
                                        
            Hilong Landing String Drill Pipe
            
                                        
            
                                        
                                    
            
                                
            
                                
            
                                    
            
                                    
            
                                        
            Hilong's Electronic Tag Drilling Tool and IoT Management System
            
                                        
            
                                        
                                    
            
                                
            
                                
            
                                    
            
                                    
            
                                        
            Hilong Efficient Cuttings Bed Clean Drill Tool
            
                                        
            
                                        
                                    
            
                                
            
                                
            
                                    
            
                                    
            
                                        
            Hilong Large Size HDD (Horizontal Directional Drilling) Drill Pipe
            
                                        
            
                                        
                                    
            
                                
            
                                
            
                                    
            
                                    
            
                                        
            Hilong Slim Drill Pipe
            
                                        
            
                                        
                                    
            
                                
            
                                
            
                                    
            
                                    
            
                                        
            HLNST
            
                                        
            
                                        
                                    
            
                                
            
                        
            
                    
            


    
            

            



    

            
    
            
        
        
    
            

            

            


            
    
            
        
        
            
    
            

            

    
    
    
    
    
    
    
    
    
    
    

    



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