Chondroitin Sulfate: 1, Specs:90%,95%,99%,etc 2, Standard:USP32 EP6.0 3, ISO9001:2008 Certificate 4, Packing:25kg/drum High Quality ... Cow Chondroitin Sulfate1, Specs:85%,90%95%,etc2, Standard:USP32 EP6.03., Packing:25kg/drum or as per customer's requirement4 ...