High-tech enterprise certificate

National standard drafting unit

Innovative Small and Medium Enterprise Certificate

Science and technology small and medium-sized enterprise certificate

A kind of production equipment for fluorescent whitening agent ZL202022028605.5

A crystal dehydration and centrifugal equipment for the production of fluorescent whitening agent ZL202020595523.6

A crystal drying device for the preparation of fluorescent whitening agent ZL202020623650.2

A crystal deposition equipment for the preparation of fluorescent whitening agent ZL202020561972.9

An esterification reaction kettle for preparing fluorescent whitening agent ZL202020624124.8

An automated processing device for fluorescent whitening agent ZL202020596042.7

A compound device for whitening agent production ZL202322781689.3

A pre-dispersing device for whitening agent production ZL202322883226.8