J & K SCIENTIFIC LTD.
Telephone18210857532 18210857532
Websitehttps://www.jkchemical.com
Shenzhen Polymeri Biochemical Technology Co., Ltd.
Telephone+86-400-002-6226
Websitehttps://www.rrkchem.com
Jinan Guangchen Pharmaceutical Technology Co., Ltd
Telephone 18563726319
Websitehttps://www.chemicalbook.com/supplier/24863567/
Jining Yize Pharmaceutical Technology Co., Ltd
Telephone15192473210
Website
Wuhan Wanjian Biotechnology Co., Ltd
Telephone 13277087647
Website