bulk price update for vm2.0

bulk price update for virtuemart2.0 1.bulk update your product's price , just with one click. 2.you can choose many rule of the modification for your bulk product price. 3.you can update the product's price easily every day. 4.easily installation, it's standard joomla component. 5.support the latest vm version and joomla version. 6.best support about installation,usage and customization.