Early or late, Mingzhu Company has introduced eight extruding
product lines reached international advanced level. The product
lines have been equipped with online test system for the pipe
wall thickness. The real time inspection and control for the wall
thickness guaranteed the quality's stability. In addition to more
than 1,**0,**0 meters pipes with all specifications, the gas
pipes production capacity has reached *0,**0 tons per year. The
output and sale volume take the first position at domestic in
present.