J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.
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Websitehttp://www.aikonchem.com/
SynAsst Chemical.
Telephone021-60343070
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Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Nanjing Shizhou Biology Technology Co.,Ltd
Telephone025-85563444 15850508050
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