What is the main line of white fish fishing?

Specializing in fishing hooks, the line is relatively thick, and the pout is above 4 kg and 5 kg.

3, 4 more than two, 3, 4 kg of pouts, with 1.2~ 1.5 main line, 0.6~0.8 sub-line, 5#~7# hook.

Two or less pouts, 0.8~ 1# main line, 0.4 sub-line, 2#~3# hook.