Shijiazhuang sincere material trading Co., Ltd has been specializing in pharmceutical and pesticide raw chemicals for more than ten year.Our company locates in hebei province, China.It is no more than 370 kilo metres away from Tianjin Port, and around 290 km to Beijing, enjoying the convenience of traffic and also the excellent geographic location. Our major products are:Formamide, N-methylformamide, N, N, N', N'-Tetramethylethylenediamine, N-Methylpiperidine, 2-Methylpiperidine, 3, 5-...