A conversation earlier today made me realize that some buyers who haven’t spent much time in Chinese factories have some common misconceptions. For example, “Chinese production operators are forced to work 12 hours a day, in a case of modern slavery”, “all metal factories do all the steps from casting/forging to surface treatments and all the way to assembly and packing”, and so on. Another misconception is that a good inspector will spend 8-10 hours working at the factory. This is what I … [Read more...]
What Is the Confidence Level when Working with AQL Tables?
A reader wrote to me and asked the following question about sampling plans by attributes: What is the "Confidence Level" when using the AQL Tables? How can we determine what the confidence levels are, and are there formulas we can use? That's a valid question. When playing with statistics, one often mentions a confidence interval. For example, "90% of the time, the value will be between 34.5 and 66.0". In theory, I guess one could do the same with the values in the AQL tables. There is a … [Read more...]
How to Avoid Frightening a Factory with a Quality Inspection
Chinese suppliers are often quite flexible when they want a new customer's business. But they often refuse small orders, or orders with a low price, if they are afraid they will be "problem orders". One thing that frightens them is the word "inspection". They had bad experiences in the past -- for example customers that found poor quality products and cancelled orders, or very time-consuming re-work. And, generally speaking, no one likes to be controlled. So, how can small importers make … [Read more...]
How much does a Chinese inspector cost?
Some importers wonder how much a Chinese inspector costs to hire full time. The short answer is: More than you might think. It's more than just their salary, so in this post, I'll explore the 5 types of people you might hire as an inspector, their pros and cons, approximate salaries, and then break down how to calculate their full cost to your business as a new hire. … [Read more...]
The 4 types of quality inspection services
Four types of quality inspection services are usually distinguished. Each one corresponds to a particular step in the production process. They are all part of the toolbox of every importer when it comes to buying in China and other low-cost Asian countries. … [Read more...]