otr is Aoshengte OTR200D rotary drilling rig.
Aoshengte OTR200D rotary drilling rig is an excavator produced by Hunan Aoshengte Heavy Industry Technology Co., Ltd. The overall structure is designed through finite element analysis to ensure high safety and high reliability of the entire machine. It can be equipped with full friction drill pipes and machine-locked drill pipes, and can be equipped with short spiral drill bits, ordinary drill buckets, sand fishing drill buckets and other drilling tools; it can drill into clay layers, gravel layers, pebble layers and weathered rock layers.
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Hunan Aoshengte Heavy Industry Technology Co., Ltd. is a professional manufacturer of piling machinery and high-speed rail special equipment integrating R&D, production and sales. The company is committed to producing high-quality, high-reliability piling machinery. Its products cover large, medium and small series of rotary drilling rigs. At the same time, it cooperates with China Railway Construction to engage in the research and development and manufacturing of special equipment for high-speed railways.
Aoshengte uses innovative overseas scholars as its technical support and management platform, brings together top domestic rotary drilling rig professionals, and conducts technical cooperation with well-known European research institutions to form a complete R&D system. , and has obtained dozens of patent results.