J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky (shanghai) International Co.,Ltd
Telephone021-50135380
Websitehttp://www.shchemsky.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
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Guangzhou Dreampharm Biotechnology Co., Ltd.
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Shanghai jerryxing Biomedical Technology Co., Ltd
Telephone 17721492509
Websitehttps://www.chemicalbook.com/supplier/25749450/