... 85%,90%,95%,98%) 2. Origin:bovine,porcine 3. comply with USP32 4. 700MT Yearly Production Capacity Quick DetailsCAS ... Sulfate( 85%,90%,95%,98%) 2. Origin:bovine ,porcine 3. comply with USP324: ISO9000/ISO22000Meitek Technology (Qingdao) CO., LTDCERTIFICATE ... Red confirmed (USP197K),Sodium reaction(USP191)Pass,PositiveAssay90%-105%(CPC) 92.8%Loss on dryingLess than 10% (USP731) ...