东华科技(002140.SZ)：不生产碳纤维增强 PPS 板材

Group 1 - The company, Donghua Technology (002140.SZ), is a comprehensive engineering firm providing consulting, design, construction, general contracting, and operational services for domestic and international projects [1] - The company does not produce carbon fiber reinforced PPS boards [1] - Currently, the company is constructing a graphene-based high-performance materials demonstration project, which includes an annual production capacity of 200 tons of graphene powder and 4,000 tons of graphene functional slurry [1]