Tel 010-82848833 400-666-7788
Email jkinfo@jkchemical.com
Tel +86-400-002-6226 +86-13028896684;
Email sales@rrkchem.com
Tel 416 305 9979 (Canada)
Email north.america@otavachemicals.com
Tel +7 (49) 6524-0091
Email screen@ibscreen.chg.ru
Tel +7 (495) 702-9648
Email sales@pharmeks.com