J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Wuhan Chemwish Technology Co., Ltd
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Sigma-Aldrich
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Jiangsu aikang biomedical research and development co., LTD
Telephone025-66110311 13155353615
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Shanghai Aladdin Biochemical Technology Co.,Ltd.
Telephone400-6206333 1316706386
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