ChengDu SinoStandards Bio-Tech Co.,Ltd. ，
Telephone028-83243028 19136088901
Websitehttp://www.ebuylabs.com/
Ningbo jinuo chemical co., LTD
Telephone0574-87314919 057487319282
Websitehttps://cn.nbinno.com
Yancheng Tongming Biotechnology Co., Ltd.
Telephone 15195160625
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1089086/0.htm
LGC Science (Shanghai) Ltd.
Telephone 17717235263
Websitehttps://www.lgcstandards.com/CN/en/Pharmaceutical/cat/279492
Telephone 58896805
Websitehttps://www.chemicalbook.com/ShowSupplierProductsList1748115/0.htm
