Guilinyuan Technology (Chongqing) Co., Ltd. is an enterprise integrating industry and trade, headquartered in Chongqing. The company is committed to providing a variety of industrial products and trade services, including but not limited to manufacturing, production, and trade of various industrial and infrastructure products. Additionally, Chongqing Xuanzuan Mechanical Equipment Manufacturing Co., Ltd. is our independent factory and the earliest source manufacturer of construction products in Chongqing.Chongqing Xuanzuan Mechanical Equipment Manufacturing Co., Ltd.Chongqing Xuanzuan Mechanical Equipment Manufacturing Co., Ltd. was established in 2018. It is a professional and focused enterprise specializing in the research, development, and production of various rotary drilling bits, square pile drilling bits, cutting teeth, common casing, full casing, follow-up casing, and integrated pipe-pulling machines. It is a well-established enterprise in the field.Chongqing Xuanzuan Company relies on source enterprises such as Zoomlion Heavy Industry Science & Technology Co., Ltd., Shandong Techgong Geotechnical Engineering Equipment Co., Ltd., Sany Heavy Industry Co., Ltd., and XCMG Group. It has long-term strategic cooperation with multiple foundation construction companies, summarizing years of experience in foundation construction. Through collaboration with internationally renowned companies specializing in wear-resistant materials, and combining their technology with our company's (Chongqing Xuanzuan Group) years of construction experience, we have developed special wear-resistant strips for various complex geological conditions. This enhances the wear resistance and lifespan of the drill bits. Specifically designed for different geological conditions such as granite, hard rock, limestone, sandstone, shale, and soil layers, we offer customizable special drill bits with the advantages of fast drilling and soil discharge. The drill bits are made from custom high-strength