JMS weight related price for Virtuemart

Plugin features

Support order product following Weight (Kg,Gram,Pound,miligram,...)
Easy to apply rules for all products or product category or sepecial product,manufacturers,countries,shopper,state.
Product price change follow weight selected.
Support unlimit calculation rule for price and quantity change.
Support multi Operation : + / - / +% / -%
Easy to choose process to apply this rule : Price before tax, Price after tax, ...