Aotai,a prominent machinery manufacture enterprise!With only 15 years' reformation and development,Aotai  has already become the largest comprehensive pipe beveling machine manufacture base of China,China National High-Tech enterprise,China National Torch Plan Enterprise.It has been recognized as the Industrial Standard Drafting Committee of JB/T7783-2012<pipe beveling machine technical specifications> of Ministry of industry and information of  People's Republic of China.It's a hi-tech enterprise centralized in research,development,manufacturing,trade and dedicated to producing pipe beveling machine,pipe cutting machine,heavy duty gearbox.Superior quality has been comfirmed as the National key&new product,Aotai is the first-tier supplier of China National Petroleum Corporation andrecommended as the reliable quality enterprise by China Electrical Equipment Industry Association.