Zibo Qianhui Biological Technology Co.Ltd （former name:Zibo Qianhui Fine Chemical Co.,Ltd） was established in 2006（1）.
In 2010,Website:http://www.cyclodextrinchina.com, bulit GMP workshop for pharmaceutical excipient.
In 2011,got drug manufacturing license.
May. 2012, for HPBCD, got registration certificate of drug excipient（2）.
In 2014,for sulfobutylether betadex sodium, we got the accepted no. of China SFDA,and submitted the DMF to FDA （united states）（3）.
In 2016, got the ISO9001:2015 certificate.
We sponsored the first China cyclodextrin academic forum in 2016, （4）invited famous experts in cyclodextrin industry to advise the develop direction,（5） also share the application experiences in the field of cyclodextrin.