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How The AQL Inspection Levels In ISO 2859-1 Affect Sampling Size

June 16, 2021 by Renaud Anjoran

How The AQL Inspection Levels In ISO 2859-1 Affect Sampling Size

This article introduces the different AQL inspection levels available to buyers. Those levels are mentioned in the ISO 2859-1 standard (or its American equivalent, ANSI/ASQC Z1.4). Let’s explore the different levels of random … [Read more...]

Filed Under: Quality Control Tips Tagged With: ANSI/ASQ Z1.4, ISO 2859-1, quality inspections, Sampling, special inspection levels

Free Samples from Potential Chinese Suppliers: A Positive Sign?

August 11, 2020 by Renaud Anjoran

Free Samples from Potential Chinese Suppliers: A Positive Sign?

If you find 30 potential suppliers that all seem capable of making the product you want, how to pick the best one? With B2B platforms like Alibaba and Global Sources, many buyers ask themselves that question. And an easy answer is "I … [Read more...]

Filed Under: Sourcing New Suppliers Tagged With: free samples, NRE costs, pre-production samples, product development, Sampling, sampling fee, sourcing components, sourcing suppliers

What is the “AQL” (Acceptance Quality Limit) in simple terms?

August 28, 2018 by Renaud Anjoran

What is the "AQL" (Acceptance Quality Limit) in simple terms?

What Does AQL Mean? 'AQL' stands for 'Acceptance Quality Limit', and is a method used by many businesses to check a random sample from the production batch of their products and confirm that the risk of bad quality is relatively low. In … [Read more...]

Filed Under: Quality Control Tips Tagged With: Acceptable Quality Limit, AQL, Aql Tables, inspection, Quality, Sampling

The Different Sampling Plans Contained in the ISO 2859 Series

October 22, 2014 by Renaud Anjoran

The Different Sampling Plans Contained in the ISO 2859 Series

The vast majority of inspectors follow the ISO 2859-1 standard. But about ISO 2859-2, -3, and so on? The relationship between these parts is explained in ISO 2859-10:2006 (introduction to the ISO 2859 series of standards for sampling for … [Read more...]

Filed Under: Quality Control Tips Tagged With: AQL, iso 2859, ISO 2859-1, quality inspections, Sampling, Sampling plan


Weekly updates for professional importers on better understanding, controlling, and improving manufacturing & supply chain in China.

This is the official blog of Sofeast.com.

This blog is written by Renaud Anjoran, an ASQ Certified Quality Engineer who has been involved in chinese manufacturing since 2005.

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