1, Huang Jinbao (Alipay) 10 yuan, only buy up/
2, physical gold investment, (banks buy gold bars) spot exchanges can only buy up.
3. Buy gold bars (Shanghai Gold Exchange) for spot trading and two-way trading.
4. Futures gold trading (Shanghai Futures Exchange) two-way trading.
5. Foreign electronic trading of gold: two-way trading of spot London gold, new york gold futures and Hong Kong gold, 24 hours!