Lan Sheng is one of the leading groups specialized in research, development, producing, and trading of pharmaceutical raw materials, intermediates and fine chemicals. We have specific technology to produce the following group (-F, -CF3 , -Br, -CL, -NH2 , , -SH, -COOH, ) . We have over ten years' experiences of exporting and enjoy high popularity in our customers all over the world. Our products are mainly including fluorine series Pharmaceutical Agrochemical and Liquid Crystal intermediates such as 2,3,4- trifluoronitrobenzene, Sesamol, 4-Fluorobenzaldehyde, 2,5-Dibromopyridine, 1-Bromo-3,4,5-Trifluorobenzene, xxxxx If you are interested in our products, pls give me your specific enquiry, and feel free to contact us!