Chapter 91: Papermaking Ice-Making Method

n of a craftsman, you get ten wen! Two people introduced is twenty wen, the more you introduce, the more rewards you get, no limit!"After Yang Lin finished speaking, the scene erupted once again."My u...is a very valuable mineral, but it's useless to us!"WhyValuable, but uselessLi Yuxiang can't understand."Hmm..."Yang Lin pondered for a moment before speaking: "In simple terms, this ilmenite is rich...