Dear Sirs How are you doing! I saw your informations through internate. We are pleased to get to konw that you are presently on the market of biochemicals such as chondroitin sulfate ,sodium hyaluronate,and as a specialized manufacturer and exporter for this product in China,we sincerely hope to establish mutual benifits business relationship with your esteemed corporation. Our core products are sodium hyaluronate,chondroitin sulfate,glucosamine. Re:HA,food grade,cosmetic grade,eye grade,and pharm grade,also we have the HA Gel for wrinkle ,ophthalmology,and orthopedics use. Re:chondroitin sulfate:98%,95%,90%,85% assay,bovine,shark origin. For further information ,pls contact with me. Re:other animal and plant extracts. Best Regards; Howard Xi..