Yongjia Naisen Valve Manufacturing Co.Ltd was located at Tangtou Industrial Zone in Oubei,Yongjia,which is the hometown of pumps and valves, and nearby the Oujiang - the other shore of Wenzhou downtown .It¡¯s a key position for the highway of Yongtaiwen,Jinliwen,Raocheng highway and the railway of Jinwen,Yongfu railway. There are only 20 minutes¡¯ car distance away from the Yongqiang Airport and its south facing the ..