维尔精工与开源证券签订上市辅导协议 目标北京证券交易所

Group 1 - The core point of the article is that Ningxia Weier Precision Engineering Co., Ltd. has signed a guidance agreement with Kaiyuan Securities for the public issuance of shares to unspecified qualified investors and listing on the Beijing Stock Exchange [1] - The company submitted the filing materials for the public issuance of shares to the Ningxia Regulatory Bureau of the China Securities Regulatory Commission on November 28 [1] - Weier Precision was listed on the New Third Board in July 2025 and is recognized as a national high-tech enterprise and a key "little giant" enterprise [1] Group 2 - The company specializes in the research, production, and sales of key components required for high-end equipment manufacturing, with products categorized into cast steel, cast aluminum, and cast iron based on raw material types [1] - Cast steel products are primarily used in mining machinery and solar thermal power generation, while cast aluminum is used in rail transit and ultra-high voltage power transmission [1] - Cast iron products are mainly utilized in the automotive parts sector [1]