C661 The Secrets of the Natural Coal Marrow

"The mysteries of the ancient recipe truly can't be understood through common sense." Su Bentong sighed with emotion, then said casually: "This Natural Coal Pulp is actually not a rare item, it's just not that easy to find. If we find the right place, it will be easy to find it. "

Qin Xiaodong became spirited and said anxiously: "Elder Su, can you explain it in more detail?"

"Don't be impatient