The difference between Handmade and Made by Machine assembly line

We have two factories, The first factory in Chengdu ,Our factory in Chengdu, mainly using handmade,Handmade advantage:
Quality is very good, But the cost is very high,So the unit price will be high,It is not suitable for your wholesalers ,
, The second our factory in Guangdong
Use assembly line produce, produce Advantage,Can cheap price,
But each style, Need a large number of orders ,Only large quantity order,
Can use the production line for produce, So before i tell you, let you add the quantity of reasons,