Beijing Green Guardee who is a high-performance electronic chemical materials development company, located in the Zhongguancun Biomedical Park. Company developed a variety of OLED materials relying on advanced purification technology. Product quality has been recognized by international companies.

Our products are divided into five series: carbazole series, fluorene series, polycyclic series, anthracene series, aromatic amine series. The product quantity reaches a ton? and product quality ...