Hebei Huaqing Optoelectronics Material Co.,Ltd
Telephone010- 89781189 18511583708
Websitehttp://www.huaqing-chem.com
Hubei Weideli Chemical Reagent Co.,Ltd.
Telephone17771473825 13385289472
Websitehttps://www.chemicalbook.com/supplier/23855892/1.htm
Hubei wei shi reagent group ltd., company
Telephone13125137732 18686406941
Websitehttps://www.4008081911.com
Henan Weitixi Chemical Technology Co., Ltd
Telephone0371-53370800 18037197114
Websitehttps://www.chemicalbook.com/supplier/24683891/
Tenghong (Shandong) New Material Co., Ltd
Telephone1555-2555846 18265060865
Website
Beijing Yanhua Jilian Optoelectronic Technology Co., Ltd.
Telephone
Websitewww.jlmaterials.com
ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD
Telephone +8613676922317
Website
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone 18143011203
Websitehttp://www.chemextension.com/