Henan's chemical products co., LTD
Telephone0371-60919097 15378766539
Websitehttp://www.psaichem.cn/
Zhengzhou Alfa Chemical Co.,Ltd
Telephone +8618530059196
Websitehttps://www.chemicalbook.com/manufacturer/zhengzhou-alfa-chemical-276/
Henan Lavoisier Chemical Products Co. Ltd
Telephone0371-63682289 18625781376
Websitehttp://www.lavoisi.cn/
Bide Pharmatech Ltd.
Telephone400-6005915
Websitehttps://www.picasso-e.com/
Jilin Chinese Academy of Sciences-yanshen Technology
Telephone 18143011203
Websitehttp://www.chemextension.com/