Tel 8485655694
Email sales@alchempharmtech.com
Tel 571-89925085
Email sales@amadischem.com
Tel 010-82848833 400-666-7788
Email jkinfo@jkchemical.com
Tel 13817811078
Email sales@jingyan-chemical.com
Tel +86 (531) 88811783
Email sales@trio-pharmatech.com (International market)