6H-Dibenzo[b,d]pyran-6-one,3,8-dihydroxy-

Gihi Chemicals: is specialized in the production of ester products which are used in the daily dietary supplements chemicals ,cosmetic products and skincare products since 1999. Since 2010，GIHI CHEMICALS , begun to focus on the development and production of high-quality healthy Dietary supplements for our global high-reputation customers. The purity of all healthy Dietary supplements we provide has reached more than 99% purity. From the beginning of our products’?development, our technical engineers have chosen and ?design the production routes to ensure that we have been able to use biological, enzyme and water-phase green synthesis methods during the large production process to ensure that our health dietary supplements is truly high-quality ,green &environmental friendly, which are truly good and health to the human body. Now our company has: 1 sales & management center + 3 research centers+ 4 production factories. with ISO9001 & FDA certificate & CE certificate, accordance with GMP requirements.