Dunwil Trading (Shanghai) Co., Ltd.
Room 1308, Building 2, Huangxing Road, Yangpu District, Shanghai, China
Tel: (021) 5121 9500
Fax: (021) 5121 9509
Guangzhou Denghua Chemicals Co., Ltd.
38 Zhongshan Road, Tianhe District, Guangzhou Room 1321, Jiayue Building
Tel: (020) 6101 8292
Fax: (020) 8232 0949
Dunwa Chemicals Ltd
Room 1201,12/F, Clifford Centre, 778-784 Cheung Sha Wan Road, Kowloon, Hong Kong.
Tel : (852) 2868 0565
Fax: (852) 2810 6109