- Kallidin（342-10-9）beijiate chemical co,.ltd.
- Kryptofix 222（23978-09-8）BQ Chemicals Co., Ltd
- KADETHRIN（58769-20-3）Hengshui Bangsheng Environmental Protection and Technology Co., Ltd
- KAEMPFEROL-3,7,4'-TRIMETHYL ETHER（15486-34-7）Hebei Gongyuan new material Technology Co., LTD
- KHELLIN（82-02-0）Hangzhou Wanghai Inport And Export Co.,Ltd
- Ketotifen（34580-13-7）Dalian RSD International Trade Co.,Ltd.
- kyanite（1302-76-7）GUIZHENG MEDICAL TECHNOLOGY CO., LTD
- K-CATALYST（1318-93-0）Hebei ShengYang Biological Technology Co. Ltd
- Kojic Acid（501-30-4）Hebei Lvyang Biotechnology Co., Ltd.
- KETOCONAZOLE INTERMEDIATE（61397-58-8）Changzhou Medi-tech Bioscientific Co., Ltd.
