IA refers to a unit or individual who is employed as a part-time or full-time investment consultant of spot gold, futures and securities companies and has the ability to independently develop retail investors and agents (IB). The company structure belongs to the company's market development department. It is different from the agent (IB) in that it has the qualification to develop end customers and agents, while the agent (IB) can only develop end customers, but has no qualification to develop sub-agents.