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 of gold, the price of RMB exchange. Substantive participation of paper gold trading is a virtual trading, derivatives trading can be seen as a kind of gold market trading. Investors trading transactions recorded on a personal pre-opening "gold passbook account" reflects only, without involving the extraction of physical gold. Profit model that is buy low and sell high, access to post profits. Paper gold is actually through speculative trading profits, rather than physical gold investment. The domestic market mainly CCB, ICBC and BOC paper gold, paper gold which ICBC lower fee, unilateral spread of 0.8 yuan / gram. In addition to the common types of paper gold gold savings certificates, gold settlement orders, bills of gold, gold large