This study seeks to address the issues in managing buyer-seller relationships specifically through the understanding the role of salesperson in the relationship-marketing context where value-adding service is highly expected from salesperson. A framework incorporating the constructs of Water- is proposed. The proposed framework is supported by a survey consisting of questions for customers' perception about the above constructs. The survey was distributed to water-treatment equipment buyers who have their suppliers in China. This industry was selected for the research due to the service...