HG/T 4309-2022
HG/T4309-2022
HG/T 4309-2012
Poly propylene glycol
HG/T 5799-2021
Dipropylene glycol
HG/T 3939~3940-2007
GB/T 22114-2021
Humectants for toothpastes—Glycerin and polyethylene glycol
HG/T 4981-2016
Propylene glycol monoethyl ether for industrial use
HG/T 5277-2023
HG/T 4980~4981-2016
HG/T 3939-2007
Propylene glycol monomethyl ether for industrial use
HG/T 5392-2018
1,2-Propylene glycol for industrial use
HG/T 4980-2016
1,3-Propanediol for industrial use
HG/T 3940-2007
Propylene glycol monomethyl ether acetate for industrial use
NB/SH/T 0521-2010
Ethylene glycol and propylene glycol base engine coolants
QB/T 4642-2014
(-)-Menthol 1-and 2-propylene glycol carbonate
HG/T 6020-2022
QB/T 4636-2014
3-l-Menthoxypropane-1,2-diol
FZ/T 53005-2015
Polytrimethylene terephthalate top
HG/T 4883-2016
1,4-Butanediol diglycidyl ether for industrial use
HG/T 6020\uff5e6021-2022