Which securities are not supported by a straight flush?

Securities that do not support flush are Haitong Securities, Everbright Securities, Guosen Securities and CITIC Securities.

1. Haitong Securities: As the trading interface of Haitong Securities is not open, Flush cannot support the login of Haitong Securities.

2. Everbright Securities: The trading interface of Everbright Securities is not open, so the flush can't support the landing of Everbright Securities.

3. Guosen Securities: Although the trading interface of Guosen Securities has been opened, the straight flush does not support the landing of Guosen Securities at present.

4. CITIC Securities: Straight flush does not support the trading interface of CITIC Securities, so it cannot support the landing and trading of CITIC Securities.

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