振石股份：振石华风（浙江）碳纤维材料有限公司主要从事风电拉挤型材的生产和销售

Core Viewpoint - Zhenstone Co., Ltd. (振石股份) is actively involved in the production and sales of wind power pultruded profiles through its wholly-owned subsidiary, Zhenstone Huafeng (Zhejiang) Carbon Fiber Materials Co., Ltd. [1] Group 1: Company Overview - Zhenstone Huafeng specializes in manufacturing various pultruded materials, including high-modulus glass fiber pultruded profiles, carbon-glass hybrid pultruded profiles, and carbon fiber pultruded profiles [1] - The products are primarily used in the main beams of wind turbine blades, providing essential material support for the large-scale and lightweight design of the blades [1]