J & K SCIENTIFIC LTD.
Telephone010-82848833 400-666-7788
Websitehttp://www.jkchemical.com
Chemsky(shanghai)International Co.,Ltd.
Telephone021-50135380
Websitehttp://www.shchemsky.com
Shanghai RenYue Chemical Technology Co., Ltd.
Telephone021-62219190; 18321139117
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList17164/0.htm
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226 +86-13028896684;
Websitehttps://www.rrkchem.com
Wuxi Helen Biotechnology Co., Ltd.,
Telephone0510-85629785 18013409632
Websitehttp://www.reading-chemicals.com
Nanjing Shanyao Kangcheng biomedical Co., Ltd.
Telephone 15722982350
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList564170/0.htm
LGC Science (Shanghai) Ltd.
Telephone 17717235263
Websitehttps://www.lgcstandards.com/CN/en/Pharmaceutical/cat/279492
Zhuo Ruining (Shanghai) Technology Co., Ltd
Telephone0086-18163338995; 18163338995
Website