Group 1 - The core point of the article is that Nine Dragons Paper has increased the price of corrugated paper by 30 yuan per ton starting from February 2, indicating a tightening supply-demand situation or a recovery in demand, which is favorable for spot prices [2][3] - As a leading company in the industry, this price adjustment may lead other paper companies to follow suit, thereby raising the overall spot market prices [3] - Current support from pulp costs and expectations of a consumption peak season suggest that short-term spot prices are likely to rise moderately [3] Group 2 - The pricing mechanism mentioned is based on big data and a pricing model from the Business Society, which generates a transaction guide price known as the Business Society price [3] - This price can be used to determine two types of transaction settlement prices: one for a specified date and another for an average price over a specified period [3] - The pricing formula is defined as settlement price = Business Society benchmark price × K + C, where K is an adjustment coefficient and C includes various surcharges such as logistics costs and regional price differences [3][4]