"Seriously...... It's as simple as that?! ”

Knowing the recipe and production method of honeycomb coal from Zhu Chengjun's mouth, Boyan couldn't believe his ears, and never expected that the honeycomb coal, which is widely sought after by the public, was actually made of charcoal and mud mixed and kneaded in a certain proportion.

If you really want to calculate it seriously, there is no difference between selling honeycomb coal and selling mud.

Seeing Boyan's expression, he couldn't let Boyan have the illusion that it was too easy to make money from selling honeycomb coal.

"The honeycomb coal production method couldn't be simpler, but ............

Chapter 0168 of "Owl Master: Fu Yuan" Plotting Mineral Deposits is in the middle of the hand, please wait a moment,

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