Gas Transmission Pipe Network
west-east gas transmission pipe line
Natural Gas Transmission and Distribution Pipe Network
pipe for city natural gas transmission
steel pipe for water transmission
branch pipe welded directly to the run pipe
copper pipe and aluminum pipe
welding part of copper pipe and low corbon steel pipe
AC transmission line parallelly erected with DC transmission lines
(Slight) stretch pipe reducing mill
1Cr18Ni9T stainless steel pipe
1Cr18Ni9Ti heat exchange pipe
2-roll Rotary-rolling Pipe Mill
304 stainless steel pipe