HANGZHOU HONGYAN PIGMENT CHEMICAL CO.,LTD. Was established in 1991. We are national high-tech company. Hongyan has obtained ISO 9001 -2008,Website:http://www.hypigmentna.com, ISO 14 001:2004 and GB/T 28001-2001.With annual capacity is 10000mt/year, we mainly produce Azo, Diazo, Lake,Toner pigment, covering more than 100 kinds of color index pigment which are widely used for printing ink, paint, plasticetc industry .
Our company is Zhejiang peovince grade technical center and we are expert in producing based on our High-tech R&D center, advanced testing equipment excellent manufacturing...