Nanjing Changxun Machinery Design & Manufacturing Co., Ltd. was established in January 2011 as a research and development-oriented manufacturing company. The Chairman, Ren Guobin, leads a technical team from state-owned military industrial units, crafting unique advanced equipment with exceptional design concepts and advanced manufacturing techniques to meet the needs of modern industrial development. Our products are exported to countries like Russia and Saudi Arabia, and the pipe fitting test machines designed and produced for Shanghai Aifu Co. and Qingdao Wode Pipeline Fittings Co., Ltd. have received high recognition from international experts.Business ScopeDesign, manufacturing, pre-sales, sales, and after-sales service for abnormal shape pipe fittings testing machines. Design, manufacturing, pre-sales, sales, and after-sales service for valve testing machines.Design and production of specialized machines for automatic drilling, tapping, and threading. Modification of outda...