Our company has gotten ISO9002 International quality system authentication. We mainly produce optical brightner£¬2-Aminophenol CAS 95-55-6£¬o-nitrophenol CAS 88-75-5£¬2-Amino-4-tert-butylphenol CAS NO 1199-46-8£¬Thiophene-2,5-dicarboxylic acid CAS NO 4282-31-9£¬Terephthaldicarboxaldehyde CAS NO 623-27-8. Based on high technological elements, advanced manufacturing equipment...