| Customization: | Available |
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| After-sales Service: | Yes |
| Warranty: | Yes |
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Cutting ring with rock drilling bits and releases the internal stress of rock. Drilling with the method of rolling and squeezing can increases the anti-wear ability of the barrel. Small barrel facilitates the coring operation; large barrel performs stage breaking. Applicable layers: medium or slightly weathered rock, hard or super hard bedrock.
Chongqing XUANWA Group was founded on June 16, 2014, with a register capital 80 million, it is an enterprise specializing in pile foundation engineering contractor. Achieved the first-class qualification for professional contracting of foundation. The founder of the company, Liu Changwen, has been engaged in the pile foundation industry for more than 30 years and has rich practical experiences and professional technology in the industry. Chongqing Xuanzuan Machinery Equipment Manufacturing Co., Ltd., a subsidiary under our group, specializes in producing a wide range of rotary drilling tools, including rotary drill bits, pipe pullers, and follow-up casings. Our products are exported to Europe, America, Southeast Asia, the Middle East, and other regions. Additionally, we have a showroom and warehouse located in Dubai, UAE. Please feel free to contact us for any inquiries or requirements.
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