Cholecalciferol Impurity A (5,6-trans-Cholecalciferol, 5,6-trans-Vitamin D3)

Chemvon Biotechnology is one of the leading high-technology manufacturer in the field of pharmaceutical and fine chemical industry.

From origins as a research group in technology service, chemvon has progressed into an integrated company with a kilo lab and a pilot plant offering a range of APIs, NCEs and some organic intermediates.

Quality: Adopting the leading technology to assure the high quality.

Price: Offering the best price among the suppliers in China.

Rich material and energe make us control the cost effective

Afrer-sale service: Chemvon will take charge of everthing if there is any question after the sale.

Certificates: We can offer ISO9001 certificates that you need for importing.