Zhangjiakou Ranran Machinery Manufacturing Co., Ltd. is a technology-based joint-stock enterprise located in Wudun Industrial Park, Qiaoxi District, Zhangjiakou City, Hebei Province. Since its establishment, the company has adhered to the corporate philosophy of "technological innovation products, integrity forging brand", integrating corporate values with business philosophy, and cultivating a highly cohesive and responsible team of employees. The company's technology research and development center has a strong technical team for developing and designing drilling equipment, solid technical strength, and effective scientific research achievements. Our company has strong production and processing capabilities, advanced casting technology, and reliable quality; Having high-precision CNC machining centers ensures the accuracy of spare parts, and advanced high-frequency heat treatment technology ensures the durability of spare parts; Advanced optimized combination assembly technology makes products more reliable, durable, and repairable. The application of high-efficiency and low-cost products has won market opportunities for the products. Our company always focuses on customer needs, and after years of research and development, our products have maintained the characteristics of innovation and rapid improvement, leading in technology compared to similar products at home and abroad. Advanced technology, high efficiency, easy to use, easy to repair, and affordable are the common praises of our company's products from users. The GSD and YSD series power head drilling rigs, GSP-C rotary disc drilling rigs, and GFD reverse circulation drilling rigs are drilling equipment with multiple functions and drilling processes (mud, air circulation, etc.). Widely applicable for drilling irrigation machine wells in farmland, drinking water wells for urban residents, seepage wells in construction projects, ground source heat pump wells, foundation pile wells and other engineering boreholes. The advanced performance and satisfactory after-sales service of the "Ranran Drilling Machine" have enabled its products to be exported both domestically and internationally, and have been well received and sold by a large number of users. It enjoys a high reputation in various provinces, regions, and abroad. In recent years, our company has collaborated with the Ministry of Commerce of China to complete United Nations aid projects in Africa, as well as geological exploration, construction, exploration, drilling and other projects for major overseas group companies, domestic and foreign trade import and export companies, and offices in China. We have now exported to dozens of countries in Asia, Africa, South America, Europe and other regions. Inheriting excellence and co creating the future "Ranran Company will continue to adhere to the concept of" customer first, quality wins ", continuously research and innovate, and bring the most advanced drilling technology to the world, in order to achieve industrial prosperity, revitalize national industry and create a brilliant tomorrow.