iST said, the decrease of the pretax profit compared to Q1 2014 resulted from three reasons, first of all, to cope with the blooming demands from the customers, iST purchased a number of equipment and recognized higher depreciation since Q4 2014; second, iST increased 20% of the human resource cost to response the growing orders; finally, it’s the cost of the preparation for the new business, which is not yet profitable…