 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 ... |
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