Bank guarantee

There are only two types of bank gurantee one is the Performance bank Gurantee which a company generally insists for performance  at the time of construction of factory from various vendors who does differnt types of civil work electrical work etc and another type of bank gurantee is Financial Bank Gurantee which we take from vendors who insists for 100% advance from us on the ground that if he runs away  before performance after taking the money we invoke the bank gurantee