The rock-entry drilling rig technology seminar hosted by Hunan Nonferrous Heavy Machinery Engineering Machinery Co., Ltd. was grandly held in the beautiful city of Jishou, Xiangxi. Mr. Ouyang Lizhi, Deputy General Manager of Hunan Nonferrous Heavy Machinery Company; Mr. Guo Chuanxin, Secretary-General of the Pile Machinery Branch of the China Construction Machinery Society; relevant leaders from the Jishou Architectural Design Institute; as well as customer representatives and media friends from all over the country—more than one hundred people in total—gathered together to attend this product technology seminar and jointly witness another innovative technological achievement of Hunan Nonferrous Heavy Machinery in the field of pile machinery.