combine Rsform with hikashop

i design site for shopping(sell product & servises ) with joomla. i want contract with supplier & seller (business unite ).

customer buy product &admin- manager of site send information to
Business unit(seller -supplire) that they send product to customers .
then Business unit send details of postal information untile we
Financial settlement & pay for intreducer(marketing commission).

i set some fields with rsform but i can not mach hikashop with rsform .

if mach(combine) Rsform with hikashop we could customize option & make good sustem for shopping !


thank you
hojat sayahi
www.royalnil.com