ForQuotes-iPhone is an electronic quotation system running on iphone platform for bulk-commodity exchange markets. The design goal of ForQuotes is to carry out high-speed data transmission while controlling the consumption of server-side computation resources and network bandwidth resources.Other versions of ForQuotes running on windows, symbian, and win-mobile have been successfully applied to dozens of bulk-commodity exchange markets including steel, chemical industry, port trade and stock index futures, etc., and exhibits the characteristics of reliability, stability and high efficiency.