• Shanghai Bangbo Chemical Co., Ltd.
• +86-21-56555593
• China

• Shanghai Baoda Chemical Co.,Ltd.
• +86-21-57561390,57561545
• China

• Shanghai Baolei Chemicals Co.,Ltd
• +86-21-39989190
• China

• Shanghai Baoyi Industrial Co., Ltd.
• +86-21-56554309 +86-13816159200
• China

• Shanghai Baoyu International Trade Co., Ltd
• +86-21-52713053
• China

• Shanghai Bayue Chemical Co., Ltd.
• 0086-021-68881609
• China

• Shanghai Beckwell Chemical Co., Ltd.
• +86-21-54084372
• China

• Shanghai Better-In Pharmaceutical Technology Co.,Ltd.
• 021-38921049
• China

• Shanghai Bi-Bridge International Trade Co., Ltd
• +86-21-58510378
• China

• Shanghai bio-uchem I/E Co., Ltd.
• 86-21-50396800,50396858
• China

• ShangHai Biogene pharmaceutical Co.,Ltd.
• 86-0513-89066587‍
• China

• Shanghai Bioman Pharma Limited
• 86-21-33738120
• China

• Shanghai BioTio Co., Ltd.
• 0086-21-50323261, 50323262
• China

• SHANGHAI BIZVISION ENTERPRISE LIMITED
• (86-21)53869090
• China

• Shanghai Bliss Industry Co.,Ltd.
• +86-21-58217771
• China

• Shanghai Bo Xun International Trading Co.,LTD.
• 0086-21-58883083 58760886 58760608
• China

• Shanghai BuxiChem-Tech. Co., Ltd.
• +86-021-52926733
• China

• Shanghai Cainorise Chemicals Co., Ltd.
• +86-21-34080216 29508524
• China

• SHANGHAI CARRYON TECHNOLOGY DEVELOP CO.,LTD.
• 86-21-36020151
• China

• Shanghai Changfeng Chemical Industrial Factory
• +86-21-52500717
• China