How much margin does it take to make second-hand rebar and sugar at the same time?
The rebar sugar margin is around 10%, depending on how the futures companies collect it. At present, rebar is 4200 yuan a ton, and sugar is 5050 yuan a ton. According to the ratio of 10%, the steel bars of both hands need 4200 *10 *10% * 2+5050 *.