Beijing water quality is relatively hard, with what type of water purifier good?

Want to remove the hardness of the water is relatively high, can only use reverse osmosis, that is, pure water, you do not listen to others blindly fooled you, pure water in fact, there is no harm to the human body, the human body needs substances water can not be given, this machine is also nowadays the best water treatment equipment, affordable. There are many brands on the market, regardless of which brand, the principle is similar, but the brand effect, so the price will deviate greatly. Beijing do not know which district you are in, if it is Daxing or Chaoyang Shuangqiao water quality will be worse, other places can not check too much. Water quality if too hard, reverse osmosis machine before adding a water softening equipment, the problem is solved. The whole set down, the price will be around 3500-12500, depending on what brand you buy.