AOTAI.AOTAI was established on June 5, 1998, with its registered location in Wenzhou Coastal Industrial Park. It is a professional manufacturer specializing in pipeline cutting and beveling equipment as well as automated welding equipment, integrating research, development, manufacturing, and sales. For years, AOTAI has been guided by the ISO9001 comprehensive quality management system. By continuously introducing advanced manufacturing equipment and processing techniques from both domestic and international sources, the company has successfully developed over 200 products across more than 10 series, including machine-type, portable, internal expansion, external clamping, and pipe-climbing models. AOTAI holds independent intellectual property rights, including multiple patents for inventions, utility models, and designs. Our diverse product range is extensively utilized in pipeline installation projects across aerospace, petroleum, chemical, power construction, boiler, nuclear power, and natural gas industries. Sold globally, our equipment enjoys strong trust and support from domestic and international users. Key products include: pipeline prefabrication critical equipment, externally mounted pipe cutting and beveling machines, internal expansion pipe end beveling machines, external clamping pipe end beveling machines, flange processing machines, steel plate beveling machines, planetary pipe cutters, pipeline hole-making machines, secondary enveloping reducers, and CNC and hydraulic power stations.