Q345B化肥設(shè)備用管//273*25//GB6479-2013
Q345B化肥設(shè)備用管//273*20//GB6479-2013
Q345B化肥設(shè)備用管//273*16//GB6479-2013
Q345B化肥專(zhuān)用管//273*14//GB6479-2013
Q345B化肥專(zhuān)用管//273*10//GB6479-2013
Q345B化肥專(zhuān)用管//273*8//GB6479-2013
Q345B化肥管//219*18//GB6479-2013
Q345B化肥管//219*16//GB6479-2013
Q345B高壓化肥管//219*12//GB6479-2013
Q345B高壓化肥管//219*14//GB6479-2013
16Mn高壓化肥管//219*7-8-9-10//GB6479
16Mn高壓化肥管//168*6-7-10-12//GB6479
16Mn高壓化肥管//159*6-8-10-12/GB6479
16Mn高壓化肥管/133*5-6-7-8/GB6479-2000
16Mn高壓化肥管//114*5-6-8-10-12/GB6479
16Mn化肥管/89*4-5-6-8-10/GB6479-2000
16Mn化肥管//76*4-6-8-10-16//GB6479
16Mn化肥管//60*4-5-6-8-10-12//GB6479
16Mn化肥設(shè)備用管//57*3-4-6-8-10//GB6479
16Mn化肥設(shè)備用管/51*3-4-5-6-8-10/GB6479