Tel 21-20338288
Email ordercn@merckgroup.com
Tel +79265780336
Email aronis@aronis.ru
Tel 416 305 9979 (Canada)
Email north.america@otavachemicals.com
Tel +7 (49) 6524-0091
Email screen@ibscreen.chg.ru
Tel 44 (1761)-435170
Email 113707.50@compuserve.com