http://www.aliexpress.com/store/1089969
http://pipejointsystem.en.ecplaza.net/
Lean pipe|Lean pipe joint system for the lean manufacturing.Lean pipe is made by ABS & PE coated steel pipe.The lean pipe of the system have a diameter of 28 mm. The pipe is made by a steel pipe with an internal anti-rust coating and an external bonding of ABS/PE.An option of anti-static black external coating is also available....