Jilin Chinese Academy of Sciences - Yanshen Technology Co., Ltd
Telephone0431-0431-80514535 19917294565
Websitehttp://www.chemextension.com
Zhengzhou Alfachem Co.,Ltd.
Telephone0371-53778726 18003825608
Websitehttps://www.chemicalbook.com/Supplier/10838232/
Henan's chemical products co., LTD
Telephone0371-60919097 15378766539
Websitehttp://www.psaichem.cn/
Zhengzhou JACS Chemical Product Co., LTD
Telephone0371-86259281 13223061139
Websitehttp://www.jacschem.com
Jiangsu Aikon Biopharmaceutical R&D Co.,Ltd
Telephone 13915962545
Websitehttps://www.aikonchem.com/