spiral tube:
1.outside size:219-2220mm
2.material: Q235, Q345, ST45, A53, X42, X46, X52, X56, X60, X65, X70, X80 and so on
3.criterion for implementation:SY/T3087-1999,SY/T5037-2000,GB/T9711.1,GB/T9711.2,    API 5L .
    We can also supply other steel pipes like seamless steel pipe, ERW pipe, straight seam welded pipe, hot-rolled, cold-rolled, hot-expanded tube, square pipe and rectangular pipe.
    To know more about our corporation, kindly visit our website: .

Should any of the items be of interest to you, please let us know, we shall be glad to give you our lowest quotations upon receipt of your detail requirements.
   With strong technical force and production capacity, we are confident to provide you the most competitive price and satisfying after-sale service.