HG/T 5250~5252-2017
HG/T 3777-2023
HG/T 4330-2012
Water treatment chemical-Sodium salt of diethylene triamine penta(methylene phosphonic acid)
HG/T 3777-2005
Water treatment chemicals-Diethlenetriamine penamethylene phosphonic acid
GB/T 37007-2018
Electronic grade trimethylgallium
GB/T 37030-2018
Electronic grade trimethylindium
GB/T 36653-2018
Electronic grade trimethylaluminium
QB/T 5062-2017
Fragrance- 3,5,5-trimethylhexyl acetate
GB/T 24770-2009
Trimethyl amine for industrial use
GB/T 35501-2017
Methyltrimethoxysilane for industrial use
HG/T 5790-2021
Iodotrimethylsilane
QB/T 2749-2012
HG/T 5393-2018
Trimethylchlorosilane for industrial use
SH/T 1779-2014
HG/T 5687-2020
1,3,3-Trimethy-2-methyleneindoline
GB 5009.179-2016
QB/T 4533-2013
Fatty alkyl trimehtyl ammonium methylsulfates
HG/T 4415-2012
HG/T 2974-1999
Solutions of 30% trimethylamine for industrial use
HG/T 6013-2022