Qingzhou Longyue Hydraulic Machinery Co.,Ltd. is located in Qingzhou City,which is with developed manufacturing. The geographical position is superior, North near to Jiqing highway and East near to Dong Qing highway, south near to 309 National Road and Jiaoji railway, runs through the north and south of the main traffic arteries, convenient transportation and beautiful scenery. As one of the professional cylinder suppliers in China, it is waiting for you to wholesale cold drawn tube, precision tube, honed tube, rolled tube at low price form our factory.