• Hangzhou Electrochemical Group Co. Ltd (HEGC)
• +86-571-86617799-6575 、86617811
• China

• Hangzhou Element Additive Technologically Chemicals Co., Ltd.
• 0571-82638927
• China

• HANGZHOU EMPEROR PIGMENT CO.,LTD.
• +86-571-83735530
• China

• Hangzhou Euchemy industry Co. Limited.
• +86-571-88162019
• China

• Hangzhou Fangsheng Chemical Co., Ltd.
• 0571-86315038
• China

• Hangzhou Fenghe Bio-technology Co., Ltd.
• +86-571-88255504 88255505 88255509
• China

• Hangzhou Fengkai Chemtech Co.,Ltd.
• China

• Hangzhou Fist Chemical Co., Ltd.
• +86-571-82471726 82471705
• China

• Hangzhou Flariant Co.,Ltd.
• +86-571-22819002 22819001 22819000
• China

• Hangzhou Foreverchem Tech Co.,Ltd.
• +86-575-82731788 82731988
• China

• Hangzhou Friter Tech Co.,Ltd.
• China

• Hangzhou FST Pharmaceutical Co.,Ltd.
• 86-571-88938521
• China

• Hangzhou Fulai'ente Finechemical Co., Ltd.
• +86-571-22819002
• China

• Hangzhou Fushitang Biology Technology Co.,Ltd.
• +86-0571-88938530
• China

• Hangzhou Fuyang Jingcheng Chemical Co., Ltd.
• +86-571-63532558
• China

• Hangzhou Gallop Biological Products Co.,Ltd.
• 86-571-88913735 88913732 88924210
• China

• Hangzhou Garden Trading Co., Ltd.
• 86-571-28928901 28928902
• China

• Hangzhou Geecolor Chemical Co., Ltd.
• +86-571-83737688
• China

• Hangzhou GenReal New Materials Co., Ltd.
• +86-571-82892182
• China

• Hangzhou Gewei Technology Development Co., Ltd.
• +86-571-88945477 +86-13588133618
• China