Tel 010-82848833 400-666-7788
Email jkinfo@jkchemical.com
Tel +86-400-002-6226 +86-13028896684;
Email sales@rrkchem.com
Tel 400-1647117 13681763483
Email product02@bidepharm.com
Tel 15652467323 15652467323
Email sales@inno-chem.com.cn
Tel 400-0628126 15976997964;
Email sales-team@aobchem.com.cn