The price of raw materials from 2014 to 2016, the first 9 months tend to decrease.The average raw material prices rising from 6-10% in the period from 2014 ~ early 2016.
Material prices from 2014 to the first 9 months of 2016 decreased. The average price of raw materials decreased from 6 -10% in the period from the beginning of 2014 ~ 2016.