The best to be able to sell at a discounted price, can not be sold can only be sold as scrap, in order to maximize the benefits of the dismantling of the classified for sale;
Sold, which is the most commonly used method, the instrument has a lifespan, the majority of
In fact, the old instrument can be used to do their own comparison or dismantled to engage in a little improvement ah;
If there is a recycling would be good, but unfortunately, need a lot of money;