First, you should have a bottle of cleaning fluid, which is commonly known as Philips oil, its market price is around 10 dollars, and is also known as 530. The other is a surgical blade about three dollars. In addition, you should do a hanging tool which is made by the left-off mobile phone card sleeve, and several dust-free cloth. The last one is a mobile phone film, which depends on how much you want, the different size and grade level, the wholesale price is very cheap. It can be brought at the local large mobile phone market. It is estimated that the total cost is less than 100 dollars
