帮初中女生疏通下水道

Maybe it's for the formula of Kangyuan Slimming Powder. After all, Kang Yuan is the director of the R&D department of a pharmaceutical factory, and Kang Yuan Slimming Powder is named after him. Perhaps the other party knew this and thought Kang Yuan knew the formula. If this is the case, then they really have encountered a dead mouse!...