Headquarter & Plant: 139 10th Street (East), Hangzhou Economic and Technology evelopment Zone (HEDA), Hangzhou, Zhejiang Province, 310018 Tel: 86-571-8673-6902, 8673-6936 Fax: 86-571-8673-6937 E-mail: gxchen@hgb.com.cn
Marketing Department: Tel: 86-571-8781-4635,8783-2806,8783-2805 Fax: 86-571-8782-4695 E-mail: sales@hgb.com.cn
