J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
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Career Henan Chemica Co
Telephone+86-0371-86658258 +8613203830695
Websitehttps://www.coreychem.com/
Shanghai Silan Pharmaceutical Technology Co. , Ltd.
Telephone 17301772648
Websitehttp://www.glchemical.cn/
Anyang Hongmeng New Materials Co., Ltd
Telephone19588588067 19588588067
Websitehttps://www.chemicalbook.com/supplier/25669674/