Where something is made definitely effects the quality. The cultural effect has a play in the equation but it's also the available resources. An assembly line t

Where something is made definitely effects the quality. The cultural effect has a play in the equation but it's also the available resources. An assembly line tends to be similar to a clock. Any piece that breaks in the chain can cause the quality to suffer. Therefore, you need workers who can handle the system and also be "trainable" to grow a product. As others has mentioned, a lot these techniques stem from Demings. Most agree that he had a huge role from transforming the quality of product manufactured in Japan (synonymous to China today) to the top tier quality they can produce now. People study for years to be able to be good at root cause analysis and assembly process management. To get a good assembly line processing requires on honing in the details. For instance, the location of the workers relative to each other, where they hand off the parts in the line, and also the location and type of tools can easily effect your reject rate.