J & K SCIENTIFIC LTD.
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Websitehttps://www.jkchemical.com
Zhengzhou kangnuochenrui Chemical Technology Co.,Ltd
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Websitehttps://www.chemicalbook.com/ShowSupplierProductsList17156/0_EN.htm
Nextpeptide Inc
Telephone+86-0571-81612335 +8613336028439
Websitehttp://www.nextpeptide.com/
Nanjing Shizhou Biology Technology Co.,Ltd
Telephone025-85563444 15850508050
Websitehttp://www.synzest.com
Hangzhou MolCore BioPharmatech Co.,Ltd.
Telephone+86-057181025280; +8617767106207
Websitehttps://www.molcore.com/