Tel 8485655694
Email sales@alchempharmtech.com
Tel 021-31261262/ 49 (0)17662837245
Email sales@novochemy.com
Tel 18019252918
Email sale@amkchem.com
Tel 010-60400365-8001 15910885229
Email service@bellenchem.com
Tel 021-64340559 13651849907;
Email xinyu_shi@jwypharmlab.com.cn