J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Aikon International Limited
Telephone025-58859352 18068836627
Websitehttp://www.aikonchem.com
CHO Chemical Materials Chang Zhou CO., LTD
Telephone 15995034354
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1716541/0.htm
Shanghai Aladdin Biochemical Technology Co.,Ltd.
Telephone400-6206333 1316706386
Websitehttp://www.aladdin-e.com/
Merck KGaA
Telephone(+86) 21 2033 8288
Websitehttp://www.sigmaaldrich.cn