タイトルまたは説明

Weifang East steel pipe Co .,Ltd is an professional manufacturer in china  for EMT/RIGIN/couping/elbows/NIPPLES with UL and UCL approval ,all our products with Hop-dip galvanized process to provide reliable corrosion protection both interor and exteror surface ,so ,it is huge different than pre-galvanize and in line galvanced conduit .fourthermore ,all our products with the inner bead removed to provide smooth interor surface for wire pulling our UL AND CUL file number is E******4 for EMT and E*****0 for rigid ,so pleaseget more information from UL website ,our products have been exported to customers all over the world.