Specifically, it depends on what you want the function, configuration, precision, power ...... to accurately quote.
It is recommended to choose a more expensive, cheaper those easy to leave hidden problems, and not enough power, rather expensive than cheap, after all, to use for several years, surely you have to buy in place at a time.
Recommended to choose near 100,000 yuan, which is more suitable, one is not much economic pressure, the second is generally enough to use the business.