Chondroitin Sulfate: 1, Specs:90%,95%,99%,etc 2, Standard:USP32 EP6.0 3, ISO9001:2008 Certificate 4, Packing:25kg/drum Chondroitin Sulfate:Our factory is a high-tech enterprise with R&D,productionand trade combined as a whole.We have been enjoying a good reputation world wide for over ten years with advance producing device,strong technological force and modern test instruments.QALITY CONTROL:We ...