http://itrademarket.com/comp/Liaoning/China/Chemicals/Printing_Oil_&_Inks/0.htmlItrademarket.com - International Import Export Trade Leads MarketplaceenSat, 26 Dec 2009 23:03:45 -0700Itrademarket.comWe are one of the largest sulfolane producers in the world from China. Our annual output is 7000mt. We have ISO9001, ISO14001, SGS certificates. Exported sulfolane to many countries.http://LIAOYANGGUANGHUA.itrademarket.com/profile/liaoyang-guanghua-chemical-co-ltd.htmLiaoyang Guanghua Chemical Co.ltd2008-11-13 18:52:52