• Hangzhou Ante Co.,Ltd.
• China

• Hangzhou Anticorrosive Equipment Co., Ltd.(HANGZHOU GOLDENBIRD FILTER PRESS Co., Ltd.)
• +86-571-88193621 88183001 88193463 88092517
• China

• Hangzhou Anyi Chemical Co., Ltd.
• +86-571-82973059;13806527260
• China

• Hangzhou Aolishen Chemical Co., Ltd.
• +86-571-81727727;+86-15267468089
• China

• Hangzhou Aoser Chemical Co., Ltd
• 0086-571-87337606
• China

• Hangzhou Aoying Chemical Co., Ltd.
• 0571-82768116 82768226
• China

• Hangzhou Aroma Chemical Company
• +86-571-64135386(内销) /+86-571-64132029（外销）
• China

• Hangzhou Arondyes Chemical Co.,Ltd.
• +86-571-86987491 86987492 86-716-8335952 833696
• China

• Hangzhou Atlantis Dili Trade Co., Ltd.
• 86-571-87334877 13989802913
• China

• Hangzhou Baixuhui Import & Export Trade Co., Ltd.
• +86--571-88234535
• China

• Hangzhou Banghua Chemical Co., Ltd.
• 86-571-88765677
• China

• Hangzhou Basic Pharmchem Co.,Ltd.
• China

• Hangzhou Bayee Chemical Co., Ltd.
• 86-571-85775917 13606629355
• China

• Hangzhou Bayee Chemical Co., Ltd.
• +86-571-86990109
• China

• Hangzhou Best Chemical Co.,Ltd.
• +86-571-88480018
• China

• Hangzhou Bioking Biochemical Engineering Co.,Ltd.
• 86-571-86324158
• China

• Hangzhou Bolong Fluorine Materials Co., Ltd.
• 86-571-85046679 13588850169 13505701881
• China

• HANGZHOU BOYI CHEMICAL CO.,LTD
• +86-571-83718977
• China

• Hangzhou Brother Bio-Technology Co., Ltd.
• +86-571-85262639
• China

• Hangzhou BTF Chemical Co.,LTD.
• 0571-82892703
• China