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Home > After-sales service > Quality assurance

The reagent and cooperation brand Yolne has built strict quality management system, production and agent of our products strictly are follow the strict quality management regulations to ensure the homogeneity ,validity and stability of products.
Relevant quality certificate documents:
Product quality specification (Specifiction):The specification indicate the product quality management requirements, the minimum quality requirement index and qualified products.
Product quality inspection report (COA):The product batch quality inspection report, can provide the batch number and item number in the product after purchase to request.