 
			Creating a collection of high-quality varieties to enhance the core competitiveness of enterprises
 
		
		 
		
		
	 
              China Classification Society Certificate 01
 
              China Classification Society Certificate 02
 
              Certification certificate of G20CrNi2MoA carburized bearing steel for railway freight car bearings
 
              Certification Certificate for GCr15 High Carbon Chromium Bearing Steel for Railway Freight Cars
 
              Stainless Steel Reinforcement Production License
 
              American Bureau of Shipping Certificate QA
 
              Certificate from British Classification Society L R2324312WA_Appendix
 
              Certificate from British Classification Society L LR2324309WA_Appendix
 
              American Bureau of Shipping Certificate OMC
 
  
   
				
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