Shijiazhuang Sincere Chemicals Co., Ltd. was established on September 6th, 2001. Our company enjoys the convenient transportation and excellent geographic location. We've been specializing in manufacturing and marketing chemical materials of raw organics for years. Our major products are Formamide, N-Methyl formamide, N and N'-Tetramethylethylenediamine, 2 and 2'-Dichlorodiethyl ether, Trimethylchlorosilane, N-Methyl morpholine, Heptamethyldisilazane and series of Methylpiperidine. Our ...