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    OCTG coating 
    
							
    Hilong coating products have been involved in OTCG and pipeline anti-corrosion areas. Supported by a strong R&D platform Hilong Petrochemical Research Institue, Hilong Group has sucessfully developed and produced inside and outside anti-corrosion and protective coating products for drill pipe, tubing, casing and gathering pipelines.
    
							
						
    
						
    
					
    
					
    
                    
    
                    
    
                        
    
                        
    
                    
    


    
    

    



    

    
    
    
        
        
    
    

    

    


    
    
    
        
        
    
    
    

    

    
    
    
    
    
    
    
    
    
    
    

    

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