0086-532-86949292
Room 4002, No. 5, Area B, Xin'an Industrial Park, ETDZ, Qingdao, Shandong, China (Mainland)
manufacturer of Threaded acoustic tube sonic pipe carbon pipe OD 54mm easy connecting save time, US $ 1 - 4 / Piece, JIS, DIN, ASTM, JIS G3462-2004, JIS G3458-2005, DIN 17175, ASTM A53-2007, A53-A369, Q195-Q345, A53(A,B), Q235, Q195, 0.7 - 3.5 mm.Source from Shandong Hongsheng Steel Pipe Co., Ltd. o