3652-90-2 best selling 2-Bromocarbazole OLED materials,pharm chemical,electronic CAS NO.3652-90-2

puyang huicheng electronic material co., ltd was founded in 2002, which is located in puyang economic and technological development zone. it is a national high-tech enterprise which is specialized in researchproduction and trade of acid anhydrides and other functional material intermediates. our company has independent import and export right and our products have been exported to europe, america and southeast asia.

as a key high-tech enterprise of the national torch plan program, puyang huicheng electronic material co., ltd has a provincial technical center. based on powerful technical strength, modern production equipment, strict quality testing system and perfect management system, all of our products have passed iso9001:2008 international quality management system authentication.