Bulk inventory refers to the material goods that can enter the circulation field, but not the retail link, and have the commodity attributes for industrial and agricultural production and consumption. In the financial investment market, bulk commodities refer to homogeneous, tradable commodities such as crude oil, nonferrous metals, agricultural products, iron ore and coal, which are widely used as industrial basic raw materials. Including three categories, namely energy commodities, basic raw materials and agricultural and sideline products. Such as Jilin corn, Dalian rice and so on.

Online traders are similar to traders, operating customers' funds and trading online to help customers make profits.