Information price generally refers to the material price published by the manufacturer in the cost publication, that is, the quotation of the material manufacturer. This kind of price is quite different from the actual transaction price, and can only be used as a reference for compiling the bidding control price.
Information price generally refers only to the price of materials, some are nominal ex-factory prices, and some are the price to the construction site, not the cost. Excluding the profits, expenses and taxes of manual management.