2020.11.06

CJ／T123-2016《Steel reinforced polyethylene plastic pipes for water supply》

2020.11.06

CJ／T124-2016《Fittings of steel reinforced polyethylene plastic pipes for water supply》

2020.11.06

CJ／T125-2014《Steel framed polyethylene plastic pipes and fittings for supply of gaseous fuels》

2020.11.06

HG／T3690-2012《Steel framed polyethylene plastic pipes for industry》

2020.11.06

HG／T3691-2012《Fittings of steel framed polyethylene plastic pipes for industry》

2020.11.06

Product standard