The reason is because we have to modify the formula so production has an impact on raw material prices. Need to be adjusted so the price increase. For this version, we are still faced with quite a lot of work ng .
Why, because we have modified the formula to produce and thus affect the price of raw materials. Therefore, there must be a price increase for this model and we are still faced with the problem quite a lot NG.
Why because we have to change the formula so that there is minimal impact on production and prices of raw material, there must be a price increase, and for this model we are still experiencing the problem. NG rather