Shanghai Weiyuan Fine Fluorine S.&D. Co. Ltd. 
Address: Room 1910, T3 Office Building, Xuhui Vanke Center, 9233 Humin Road, Xuhui District, Shanghai
Tel: +86-21-64251386
Fax: +86-21-64253354 

Jinzhou Weiyuan Sanyi Technology Co. Ltd. 
Address: No.8-30 Minjiang Street, Tianqiao Street, Binhai New District, Jinzhou, Liaoning Province, China 
Tel:+86-416-5082288
Fax:+86-416-5082266

Lianyungang Weiyuan Fine Chemical Co., Ltd. (*The production base to be resumed) 
Address: Dugou Harbor Chemical Park, Gunnan County, Jiangsu Province, Lianyungang City, China. 
Tel: +86-518-83866008 
Fax: +86-518-83866018