Shanghai Ningyuan Precision Machinery Corp. as the manufacturing center of HTT, who was founded in 2006, focusing on drilling technology and innovation. And it did successful IPO in Shanghai. Stock in Aug.2018, with code: 873011. By 2015, over 460 various deep hole drilling machines have been delivered to worldwide, including Germany, Italy, USA, Japan, Russia, Holland, Turkey,South Korea, Brazil, Chile, South Africa, China, India, Bangladesh, etc. Over 100 valued customers in various industries, including aerospace, defense, nuclear, oil and gas exploration, construction machinery, automotive, die mould, pellet mill, glass mould，medical parts, etc. Please visit our website for more information. www.htt-global.com