Core Competitiveness
QUALITY CONTROL
                                          2025-1-10    
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                                Shangzhan has a dedicated quality assurance department that strictly adheres to the requirements of the ISO9001:2015 quality management system, upholds the concept of quality first and precision manufacturing, and conducts quality inspections throughout the entire production process from parts to finished products to ensure 100% qualified product delivery to customers.
	
 
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