A Zhiyuan is a manufacturing-type enterprise with 10 years’ experience of cyclodextrin derivatives and inclusion compounds production.

A We have a professional R&D Team, advanced production line and detecting instruments, sales team with humanistic service(including after-sale service).Conforms To GMP standard and meets USP, EP, BP, CP. Besides, we can provide high quality product and competitive price as factory direct sale.

A All pharmacopoeia including CP, USP does not provide the measurement of purity of this index, hydroxypropyl betadex itself is a mixture of no standard, so can not test the purity.

A Purified water is used in the production, and the production equipment is made of 316L stainless steel. There is no introduction of heavy metals in the production process or any risk of heavy metals in the whole production process either. USP39-nf33, which is adopted by us, is used to test the total content of heavy metals (211) or 221, and no single element impurity is analyzed.

A Normally our ETD is about 7-10 days once order confirmed if without special circumstances.

A We can provide sample for free.But the freight fee is needed.