This dataset is a market dataset, representing the consumption market of the region; the dataset includes the transport of the product from the gate to the consumer end, and the transport service is calculated according to the transport situation of this product in this region. “Water-glass waste sand” refers to waste sand material generated and discarded during casting, refractory material or moulding sand preparation when water glass (sodium silicate) is used as a binder, due to moulding sand failure, strength decline or process obsolescence. This type of water-glass waste sand is mainly composed of quartz sand and residual sodium silicate, and after crushing, screening, recycling or stabilisation treatment, it can enter the resource utilisation stage as recycled foundry sand, building material filler or road engineering material.