J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Shandong Ono Chemical Co., Ltd.
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Websitehttp://www.onochem.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
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Shanghai Aladdin Biochemical Technology Co.,Ltd.
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DAYANG CHEM (HANGZHOU) CO.,LTD
Telephone+86-88938639 +86-17705817739
Websitewww.dycnchem.com