The ex-factory products may have abnormal defects or surface contamination such as black spots, oily substances, powders and oil stains. Many foreign matters are destructive to the product quality and even threaten the personal safety of production personnel and consumers. Therefore, analyzing the composition of foreign matters as soon as possible, and then looking for pollution sources or pollution links, eliminating hidden dangers, and improving the formula system are of great significance for improving the product quality. 

 

Embedded foreign matter or peculiar spot of electronic products, surface contaminant, precipitate, oily substance, mist, rubber bloom, yellowing and blackening of industrial products, impurities and by-products of chemical products, etc. 

 

CNAS, CMA  

 

7 working days, emergency services are available