振石股份、恒运昌等5家公司IPO即将上会

Core Viewpoint - Five companies are set to present their IPO applications, with the highest fundraising target being 3.981 billion yuan by Zhenstone Co., Ltd. [1] Group 1: Upcoming IPOs - Zhenstone Co., Ltd. aims to raise 3.981 billion yuan for projects including the construction of a fiberglass product production base and a composite materials production base [1][2] - Strong One Co., Ltd. plans to raise 1.5 billion yuan, while Hengyun Chang intends to raise 1.469 billion yuan [1] - The geographical distribution of the companies includes two from Jiangsu Province, and one each from Shandong, Zhejiang, and Guangdong Provinces [1] Group 2: Company Profiles - Zhenstone Co., Ltd. specializes in the research, production, and sales of fiber-reinforced materials in the clean energy sector [2] - Strong One Co., Ltd. is one of the few domestic manufacturers with the capability to design and mass-produce MEMS probe cards [3] - Hengyun Chang focuses on the development and production of plasma radio frequency power systems and related devices [3] - Tongbao Optoelectronics is engaged in the design, research, production, and sales of automotive LED modules and lights [4] - Nongda Technology specializes in the research, production, and sales of new fertilizers and their intermediates [4]