Hebei Hanhai Chemical Co., Ltd is a producer of chemical intermediates which are used in pharmaceutical, agrochemical, leather, printing and dyeing industries. Our factory is located in Luancheng pharmaceutical industry zone, Shijiazhuang city, Hebei province, China. Our leading products are: Formic acid, Oxalic acid, Sulfanilic acid, Diphenyl sulfide, PMIDA. We have exported our products to United States, Korea, India, and South America,...