北新建材：公司坚持价值经营、九宫格管理法，坚持内生增长和外延发展并举

Group 1 - The core viewpoint of the article highlights that Beixin Building Materials (000786) is facing intensified market competition in the gypsum board, waterproof materials, and coatings industries due to a decline in domestic market demand [1] - The company is committed to value management and employs a "Nine-Grid Management" approach, focusing on both internal growth and external development [1] - The performance of the company's stock in the secondary market is influenced not only by its operational performance but also by macroeconomic conditions, the overall capital market environment, and industry development factors [1]