C202 Pyrethrozoon

"Niu'er." On this day, the old man called Niu Mang to his side. Hearing the old man's kind call, Niu Mang did not dare to be negligent and quickly ran over respectfully.

"Hey, go ahead." Niu Mang stood respectfully at the side. The old man sat cross-legged on the brick bed and puffed on his cigarette, then said leisurely: "Ox, I've been eating with you for the past few days