伟星新材：公司防水业务在短期投入后，较快实现了盈利

Group 1 - The company announced on August 25 that its waterproof business, although new, is part of the home decoration industry chain and has good synergy with its pipeline products [1] - The company plans to leverage its existing sales channels and service resources to expand the market for its waterproof business [1] - Overall, the waterproof business has achieved profitability relatively quickly after short-term investment [1]