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Zhangjiakou Xuanhua Tengda Drilling Machinery Co., Ltd. is a professional drilling equipment production base in China. To develop and produce the latest, high-performance, low-consumption, open-air drilling machinery of various models, and at the same time available for accessories. The products are widely used in excavation and blasting engineering of earth and stone in large, medium and small mines, hydropower and transportation, and can also be used in underwater rock perforation blasting in ports and waterways. Our factory has strong production technology, advanced technology, strong manufacturing capacity and first-class management level, and warmly welcomes people from all walks of life and our factory to visit. In order to meet the market demand, the company gives full play to the advantages of professional and technical personnel and cooperates with scientific research institutions all the year round. A new type of hydraulic down-the-hole drilling rig has been developed and praised by users. Our company is rich in technology, capital and human resources. Our down-the-hole drilling rig branch also undertakes the transformation of drilling rigs and the customization of special models.