Anhui Guangxin Agrochemical Company (Anhui Guangxin) is the largest carbendazim and thiophanate-methyl producer in China at present. Jiangsu Lanfeng Bio-Chem Co., Ltd. (Jiangsu Lanfeng) expandeded its carbendazim capacity to 15,000 tonnes in 2010 from 6,000t/a previously. And its thiophanate-methyl technical capacity keeps at 5,000t/a from 2008 to 2010.Ningxia Sanxi Chemical Co., Ltd. (Ningxia Sanxi) has the same capacity of carbendazim technical with Jiangsu Lanfeng. However, its carbendazim technical capacity was only 8,000t/a in 2008.