也称为产品“服务”，包括卖方在出售产品之前和之后提供的所有可选和补充服务。这包括购买前的售前服务，例如，以租赁，分期付款和租购的形式提供卖方咨询和融资支持，以及以旧换新的工业车辆。

         Also called Product "service" comprises all optional and supplemental services a vendor offers before and after selling his products. This includes the pre-sales service before the purchase, such as, for example, vendor consulting and financing support in the form of leasing, instalment payment and hire purchase as well as trade-in of used industrial trucks.