Doly Chemical CO.,LTD.
Telephone021-34716221 15800796336
Websitehttp://www.dolych.com/
BioPharmaMatrix,Inc.
Telephone0510-86010668 13395169561;
Websitehttp://www.biopharmamatrix.com
Shanghai Haohong Pharmaceutical Co., Ltd.
Telephone400-8210725 4008210725
Websitehttps://www.leyan.com/
Advanced chemblocks inc
Telephone650-6922368 650-6922368;650-6922368
Websitehttps://www.achemblock.com
Hubei YoungXin Pharmaceutical Tech Co.,Ltd.
Telephone0714-3999001 19171453112
Websitehttp://www.yongstandards.com/