J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Jinan chemkey pharmaceutical Co., Ltd.
Telephone 15610156652
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList30466/0_EN.htm
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226
Websitehttps://www.rrkchem.com
Blocksynth Pharmaceutical Technology Co.,Ltd
Telephone0086-19817745290; 19817745290
Websitehttp://www.blocksynth.com/
Shanghai Haohong Pharmaceutical Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/
Huanuo Pharmaceutical Technology (Guangxi) Co., Ltd
Telephone 13005928603
Websitehttp://www.huanuoyy.com/
Ningbo Zhenyue Pharmaceutical Technology Co., Ltd
Telephone 19817745290
Websitehttp://www.blocksynth.com/cn/