泰胜风能：公司的火箭贮箱项目仍处于产线建造与技术准备的前期阶段，目前尚未正式投产

Group 1 - The core viewpoint of the article indicates that the company, Taisheng Wind Power, is in the early stages of constructing production lines and preparing technology for its rocket fuel storage tank project, which has not yet commenced formal production or any batch or experimental manufacturing activities [1][3]. Group 2 - The company's current business layout in the commercial aerospace sector primarily revolves around rocket fuel storage tank products, which are still in the early stages of production line construction, market expansion, and technical preparation [3]. - As of now, the business has not officially commenced production and has not established any bulk supply [3].