I. Introduction
A service for users to directly convert between different kinds of precious metals (account) bought/sold via RMB account or between different kinds of precious metals (account) bought/sold via USD account. The purpose is to reduce buying/selling cost by means of the better conversion spread.

II. Target Clients
ICBC customers of Personal Internet Banking, Mobile Banking (WAP), Telephone Banking.

III. Features
Convert directly between different kinds of precious metals (account). Simple steps, low cost. 

IV. Definition
Conversion of precious metals (account): Direct conversion between different kinds of precious metals (account). Examples: convert gold to silver (using RMB account to buy/sell), or convert gold to platinum (using USD account to buy/sell).
Precious metals bought/sold via RMB account cannot be converted to precious metals (account) bought/sold via USD account or vice versa.