1. Customer Service Hotline: Call Huarong Futures Customer Service Hotline and ask them about the specific methods and procedures for setting option rights.
2. official website: Log on to Huarong Futures official website, find the relevant contact information on the website, send them an email or online message, and consult the setting method of option authority.
3. Physical office location: If it is convenient, you can also go to the physical office location of Huarong Futures in person and consult the staff about the setting method of option authority.