GB/T 37042-2018
Hexamethylene diisocyanate
GB/T 13658-2015
Polymethylene polyphenylene isocyanate
GB/T 25254-2022
Poly-(tetra methylene ether glycol)(PTMEG) for industrial use
HG/T 5687-2020
1,3,3-Trimethy-2-methyleneindoline
GB/T 32160-2015
Technical methylnaphthalene
GB/T 26026-2010
Methyltin mercaptide
GB/T 24212-2009
Methylnaphthalene oil
GB/T 9015-1998
Hexamethylene tetramine for industrial use
DB43/T 2200-2021
HG/T 2841-2023
HG/T 3777-2023
YB/T 4150-2018
HG/T 5400\uff5e5401-2018
QB/T 5060-2017
Fragrance- 2-methylpentyl 2-methylvalerate
YB/T 5070-2014
α-methyl pyridine
HG/T 5687\uff5e5688-2020
HG/T 5728-2020
YB/T 4743-2019
Crude methylphenol
YB/T 4744-2019
4-Methylphenol
SH 2604.02-2003
Water treatment chemicals-solidum(ethylenedinitrilo)-tetramethylenephosphate