ShangLan Gases (ShangHai)Co.,Ltd
Telephone4001882517 13194677939
Websitehttps://www.isotopecenter.com
DWS Specialty Gas Co., Ltd
Telephone 15906197626
Websitehttp://www.dwsspecialgas.com/
CHINA ISOTOPE CO., LIMITED
Telephone02151600108 13062666369
Websitehttps://www.isotopechem.com/
Shanghai Jasper Gas Co., Ltd.
Telephone13218776790 13218776790;
Websitehttps://www.chemicalbook.com/supplier/26030566/