if they can make a living what they produce they are competitive and if they can sell high value added products they are more competitive if they are small in size
If they can make a living from what they produce, they are competitive, and, if they can sell high-value-added products, they are even more competitive, even if, at times, they are small in size.
If they can make a living what they produce, they are competitive, and, if they can sell high-value-added products, they are more competitive, if, at they are small in size.