Good Quality Durable Inflatable Rubber Test Plug Hebei Hengte Trade Limited Base Info Trademark:HTDn50:Dn50Application:Home Use, PipelineProduct Type:Pipe LineModel NO.:DN50Specification:DN50Origin:ChinaHS Code:40089000 Description Pre:Copper Mould Plate Next:Pipeline Plugging Airbag/Inflatable Pipeline Test Plug