Langfang Hongfan Building Materials Co., Ltd.: Located in the golden area of Beijing-Tianjin (Daliuzhen Industrial Park, Wen'an County, Langfang City), 100 kilometers from Beijing, 60 kilometers from Tianjin, and 40 kilometers from Xiong'an.The company is organized with departments such as Research and Development, Technology, Production, Sales, E-commerce Marketing, Finance, and other relevant departments. We have established responsibility systems for each position, achieving standardized and scientific management of the enterprise.Currently, our main products are categorized into three series:1. Concrete Pipes: All models of reinforced concrete drainage pipes with sizes ranging from DN200 to DN3000.2. Concrete precast manholes: Complete with all manholes for DN200-DN3000 concrete pipes, as well as a full range of precast modular reinforced concrete manholes and modular concrete drainage manholes.3. Pre-cast Components: Processing and customizing pre-cast concrete products and non...