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...]
From Data Science To Machine Learning in Manufacturing, for Smarter Quality Control
I have long been put off by all the hype around artificial intelligence (AI). AI has become the modern 'magic wand': nobody knows how it works, but the results are assuredly amazing. AI has limitations for manufacturers, but both data science and machine learning in manufacturing can help businesses make better decisions and improve quality control results, and it's these that we'll explore in this article... … [Read more...]
How Quality Planning Drives QC and Process Improvement
What does quality management consist of? Juran wrote about this first in 1986, and he suggested 3 types of activities that make up the "Juran trilogy": Planning Quality control Improvement … [Read more...]
How to set up a Receiving Inspection: Checklist, Procedure, Reporting form
I have written extensively about pre-shipment inspections (before, during, or after production), always from the perspective of the buyer checking what a supplier is doing; but I noticed that I haven't covered receiving inspections (also called incoming quality inspections). However, that's a really important topic, so let's get into how to set one up here... … [Read more...]
Undetected QC Issues: 7 Common Failures of Chinese Inspectors
Quality inspectors are human like the rest of us, and while it's usually unlikely that they will let major QC issues slip through the net, it can happen. Let's examine why and how this happens, and how to mitigate or stop these mistakes... … [Read more...]
21 Assumptions About Buying From Chinese Suppliers To Avoid
Many buyers who are seeking to manufacture products in China tend to make assumptions about buying from Chinese suppliers that are seldom valid here, and it can be quite dangerous. When I started spending a lot of time in Chinese factories, what I saw blew my mind. A foreign buyer simply can’t imagine what is sometimes going on behind the scenes. I'll say that China is the land where everything is possible... from the worst to the best. I wrote 21 common assumptions below, in categories, … [Read more...]
How Much Does a Quality Inspection in China cost?
Understanding the cost of quality inspections in China I am always surprised by the expectations of some importers regarding the cost of quality inspections in a Chinese factory. Some importers get to talk about their project for some time, see where we would help them, and finally (almost as an afterthought) ask: "How much does a quality inspection in China cost?" The 2 categories of buyers when it comes to quality inspection costs I say "299 USD per day of work", and I can nearly hear … [Read more...]
When To Do a Random AQL Inspection vs. Check 100% of the Goods
First, let me get one thing out of the way: not all batches need to be checked. If a manufacturer has great systems and processes, and if they have a history of complying with your quality standard, there is usually no reason to send quality inspectors to their facility. Similarly, if you can easily return the whole batch and it can be reworked quickly, you probably don't want to spend resources on checking whether they did as promised. Now, let's assume you do want confirmation of … [Read more...]
QC Basics: What is a Quality Inspection? Context, Tools & Template
This article answers the question: 'What is a quality inspection?' and explores when they typically take place (before, during, and after production). We will cover the types of inspections most widely used by buyers in international trade. They should be performed by 3rd party QC providers (appointed by the buyer), or by the buyer's own inspectors, if you buy from China, Vietnam, India, or another low-cost country. … [Read more...]
3 Common Ways Factories Try to Cheat Inspectors/Auditors
Every day in China, in Vietnam, in Bangladesh, and in India, thousands of inspectors and auditors take a bus or a car to a factory. And, in some of those factories, managers are plotting how to cheat those unwelcome visitors. Let's look at 3 very common ways this is done, so you are warned and ready to avoid unscrupulous suppliers like this... … [Read more...]
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