1 Invitation to offer Inquiry: initiate a potential transaction Promotional communication advertisements be made through various medias sales literature and price list be distributed trade fairs be used to exhibit commodities Inquiry: each one is a sale opportunity to foster a potential long-term relationship, So show your efficiency and sincerity ----commodity' s name, quality, mode, the desired quantity and delivery date1. Invitation to Offer ---Inquiry: initiate a potential transaction ◼ Promotional communication: advertisements be made through various medias, sales literature and price list be distributed, trade fairs be used to exhibit commodities. ◼ Inquiry: each one is a sale opportunity to foster a potential long-term relationship, so show your efficiency and sincerity. ◼ ----commodity’s name, quality, mode, the desired quantity and delivery date