Over the past three years, I guess more than a dozen people have told me "tablets are a perfect fit for inspectors". Yet I haven't seen any company that developed a good application that works on iPad or Android, and that is suitable for … [Read more...]
Switching from Acceptance Sampling to Process Control
Most importers who buy products in China resort to acceptance sampling -- in particular, QC inspections based on AQL limits. The main reason is, they can't trust their suppliers. Actually, they often don't even know where certain … [Read more...]
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...]
What QC Tools To Use for Problem Resolution?
Many buying offices in China struggle to have their QC inspectors (trained to assess conformity to a set of requirements) act as QA technicians (able to analyze problems and solve them). What type of training is appropriate? I think the … [Read more...]
Mechanical Product Safety Standards: How Much is Too Much?
Product safety depends mainly on two components: Avoiding restricted substances -- both the standards and the way to conduct chemical tests are relatively clear. Making sure no user will get hurt -- there are many murky issues here, … [Read more...]
Best Practices for Protecting Electro-Mechanical Products
Kevin Howard, a packaging engineer from Packnomics, was kind enough to share his experiences regarding the protection of electro-mechanical products. The rest of this article was written by Kevin. My background is distribution … [Read more...]
AQL 2.5 Has Nothing to Do with the Number of Samples to Inspect
It seems like most suppliers and most buyers can only remember "AQL 2.5" when it comes to the settings of QC inspections. Unfortunately, "Sampling as per AQL 2.5" means nothing. I am aware that "single sampling plan by attributes as per … [Read more...]
How Factory Audits, Inspections, and Lab Tests Fit Together
I am often asked questions such as “what is the difference between audits and inspections” or "why are lab tests necessary if you send an inspector". In this article, I will show how these three types of services fit together. Let's … [Read more...]
Three Simple Steps to Reduce Risks when Buying in China
A client asked me this question recently: Is there any way I can get some assurance of the validity of the company as well as the quality of the final product before sending full payment? They have asked for a 30% deposit by T/T. I get … [Read more...]
Are Technical Auditors Necessary for ISO 9001 Audits?
Many people think the ISO 9001 standard is pretty generic is applicable to all industries (that's mostly correct), so a good auditor can check any type of business when performing ISO 9001 audits (I don't agree with that). And the ISO … [Read more...]
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