J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky(shanghai)International Co.,Ltd.
Telephone021-50135380
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S.Z. PhyStandard Bio-Tech. Co., Ltd.
Telephone0755-83725681-603
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Shenzhen Polymeri Biochemical Technology Co., Ltd.
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Nanjing Shizhou Biology Technology Co.,Ltd
Telephone025-85560043 13675144456
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