| Customization: | Available |
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| After-sales Service: | Yes |
| Warranty: | Yes |
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Cutter and bottom custom: Single and double design as demand. All sizes can be manufactured as demand. Kelly box size custom based on kelly bar, like 130130,150150,200200,250250 etc. Option half-automatic or manual mechanic bottom open system. Built-in ventilation pipe. Cast pilot with rock drilling bits, arc guide plate teeth arrangement, double unlocking system. Staggered arrangement of rock drilling bits. Applicable layers: gravel, pebble, highly or medium weathered rock.
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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