达威股份：公司半年度化学品板块的营业收入较去年同期增长4.93%

Group 1 - The core viewpoint of the article is that Dawei Co., Ltd. (300535) reported a decline in half-year operating revenue compared to the same period last year, primarily due to the divestment of Weiyuan Wood Industry [1] - The chemical segment of the company experienced a revenue increase of 4.93% compared to the same period last year [1] - The increase in R&D expenses is attributed to the company's efforts to enhance its research capabilities by hiring additional technical research personnel, which led to an increase in ongoing projects and associated R&D costs [1]