We are professional chondroitin sulfate, glucosamine, hyaluronic acid  manufacturer from china, we have twelve years' experience in this field. Our Products are as follows:
1. Specification:
Chondroitin sulfate is an glycosaminoglycan extracted from porcine, bovine, chicken and shark cartilage.
2. Appearance         
white to off-white free flowing powder
3. Packing:
25kg/drum
4. Test method
CPC . HPLC. E-HPLC
5. Standard
The product can comply with USP 30 and your special specifications.
if you are interested in my products. please send email to me or call me.