康华股份回复IPO问询，业务、客户、供应商与实控人弟弟控制企业部分重合

Core Viewpoint - Shandong Kanghua Biological Medical Technology Co., Ltd. (Kanghua Co.) is undergoing a listing review by the Beijing Stock Exchange, focusing on its core business in pathogen detection and in vitro diagnostic products [4]. Company Overview - Kanghua Co. was established on September 26, 1996, and operates as a comprehensive in vitro diagnostic enterprise covering six product lines, primarily engaged in the research, production, and sales of in vitro diagnostic reagents and instruments, as well as providing third-party medical testing services [4]. - As of the signing date of the prospectus, the actual controllers of Kanghua Co. are Yang Zhiting, Wang Aixiang, and Yang Fan, who collectively control 90.07% of the company's shares [4]. Regulatory Inquiry - The Beijing Stock Exchange has requested Kanghua Co. to clarify the specific business operations of enterprises controlled by Yang Zhiguo, particularly whether they engage in similar business activities as Kanghua Co. and its subsidiaries [5]. - It is noted that several enterprises controlled by Yang Zhiguo are involved in the sale and operation of medical devices, and there have been instances of sales and purchases between Kanghua Co. and these enterprises during the reporting period [6]. Business Independence - Kanghua Co. asserts that despite the overlap in business activities with Yang Zhiguo's controlled enterprises, they operate independently in terms of historical development, assets, personnel, business, technology, and finance, thus not constituting a competitive relationship that would adversely affect Kanghua Co. [8]. - The main customers of Yang Zhiguo's enterprises are primarily medical institutions and lower-level distributors, with some overlap with Kanghua Co.'s customers, but both parties operate independently without shared customer resources [8]. Supplier Relationships - The primary suppliers for Yang Zhiguo's enterprises include manufacturers or distributors of in vitro diagnostic reagents and instruments, with some overlap in suppliers due to Kanghua Co.'s procurement needs [10]. - Kanghua Co. and Yang Zhiguo's enterprises independently procure from suppliers without shared supplier resources, and there are no unusual financial transactions between them [10].