Hangzhou J&H Chemical Co., Ltd.
Telephone0571-+86-571-87396432
Websitehttp://www.jhechem.com
Zhengzhou Huiju Chemical Co., Ltd.
Telephone0371-55900031 18137872243
Websitehttps://www.chemicalbook.com/supplier/11124122/
Zhengzhou Alfa Chemical Co.,Ltd
Telephone +8618530059196
Websitehttps://www.chemicalbook.com/manufacturer/zhengzhou-alfa-chemical-276/
Zibo Biopolar Rongchuang Pharmaceutical Co. Ltd.
Telephone0533-6092686 13371592196
Websitehttp://www.bp-rongchuang.com/
Henan Zhuofan Chemical Co. , Ltd.
Telephone 15638881523
Websitehttps://www.chemicalbook.com/supplier/25270903/