NdFeB is an indispensable part of high-end accessory for smartphones,with the electro-acoustic part (microphone, mini speaker/receiver,bluetooth headset,hi-fi stereo headset),vibration motor,camera focus and even later sensor applications,wireless charging and other functions are required to use NdFeB strong magnetic properties.The amount of NdFeB for per phone is around 2g,2016 global mobile phone shipments are 1.961 billion,an increase of 3.21%,the corresponding amount of NdFeB is expected to 3922 tons.Assuming the average annual growth rate of shipments in the next two years is 2%, the amount of NdFeB in 2017-2018 is 4,000 tons and 4080 tons.