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| ??? | ?? | ??? | ?? | ?? ? | ?? |
|---|---|---|---|---|---|
| Shanghai Changyan Chem & Tech Co., Ltd. | 021-20242659 18930833303 |
Sales@changyanchem.cn | China | 5010 | 55 |
| Shenzhen Regent Biochemical Technology Co., Ltd. | 0755-0755-85201366 18938635012 |
sales@regentsciences.com | China | 9585 | 58 |
| DC Chemicals | 021-58447131 13564518121 |
sales@dcchemicals.com | China | 9409 | 58 |
| Absin Bioscience Inc. | 021-38015121 15000105423 |
wulan@absin.cn | China | 24731 | 58 |