Tianmen Chutian Fine Chemical Co., Ltd. is located in Jianghan Plain of Hubei. It is developed from primary Xiantao Chutian Fine Chemical Plant founded in 1997. It is a pharmaceutical chemical enterprise engaged in research, manufacturing and selling of medical intermediate. In 2011, it moved into Yuekou Industrial park as key enterprise of Tianmen Investment Promotion project. Through years of development, its production scale has been enlarged and comprehensive strength has been strengthened. Main products: 2-chloro-1,4-Naphthoquinone, trans-4-(4-Chlorophenyl)cyclohexanecarboxylic acid, 2,7-Dichlorofluorene, 2-ethyl-1,3-cyclopentanedione, 2-Methyl-1,3-cyclopentanedione, 6-Methoxy Tetralone; 6-Methoxy-1-Tetralone and etc. 2-chloro-1,4-Naphthoquinone and trans-4-(4-Chlorophenyl)cyclohexanecarboxylic acid are important intermediates. Atovaquone is Aids therapy drug specified by W.H.O. 2,7-Dichlorofluorene, 2-ethyl-1,3-cyclopentanedione is intermediate of lumefantrine. The product is popular among domestic large and middle size pharmaceutical enterprise due to high-tech and high-qualtiy. 20% of our staffs are senior and middle level technical person. We have annual production capacity of 100 tons of 2-chloro-1,4-Naphthoquinone, 50 tons of trans-4-(4-Chlorophenyl)cyclohexanecarboxylic acid, 200 tons of 2,7-Dichlorofluorene and 45 tons of D-loop series products. Our company strictly implements national standard and enterprise standard to construct complete quality guarantee system. We pass ISO9001:2008 quality management system authentication. 2-chloro-1,4-Naphthoquinone and trans-4-(4-Chlorophenyl)cyclohexanecarboxylic acid pass EU authentication.