Shanghai JingRon Chemical Technology Co., Ltd.
Telephone021-60546673 13701861782;
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList17172/0_EN.htm
Shanghai Amico Chemicals Co. LTD
Telephone微信 18019252918 18019252918
Websitehttp://www.amkchem.com
Advanced chemblocks inc
Telephone650-6922368 650-6922368;650-6922368
Websitehttps://www.achemblock.com
Shanghai Naiys Biological Technology Co., Ltd
Telephone 18321139117
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1927974/0_EN.htm
Zhuhai Aobokai Biomedical Technology Co., Ltd.
Telephone400-0628126
Websitehttp://www.aobchem.com.cn/