T/CASME 283-2022
GB/T 37805-2019e
Bamboo winding composite pipe
GB/T 37805-2019
Bamboo winding composite pipe
GB/T 37606-2019
Titanium-steel clad or lined pipes
GB/T 41494-2022
Aluminum alloy lining plastics pipes and fittings
GB/T 18704-2008
Stainless steel clad pipes for structural purposes
GB/T 28897-2021
Steel-plastic compound pipes and fittings for fluid service
LY/T 2905-2017
Bamboo winding composite pipe
DL/T 935-2020
Pipes and fittings of steellined with plastics
QB/T 5955-2023
QB/T 5925-2023
JB/T 13242-2017
Anti-corrosion electrically heat tracing sampling tube bundles
HG/T 3690\uff5e3691-2022
HG/T 4373-2012
Glass fiber reinforced polyester plastic liner composite pipe and fittings for chemical industry
SY/T 6662.1-2022
QB/T 5401-2019
Multiple reinforced steel-plastic composite pipes and fittings
GB/T 28897-2012
Steel pipes of complex plastic
HG/T 4087-2009
Anticorrosion plastic alloy composite pipe
HG/T 3690-2022
CJ/T 537-2019
Multi-layers steel wire-wound m砚)dified polyethylene wear resistant composite pipe