Dyestuffs

Optical brightener fp-127 ,fluorescent brightener fp-127,brightening agent fp-127,brightener fp-127

Optical brightener kcb ,fluorescent brightener kcb,brightening agent kcb-c,brightener kcb

Optical brightener ksn,fluorescent brightener ksn,optical brightening agent ksn,brightener ksn

Pigment dyestuff

Dyestuffs

Dyestuffs