Henan Sinotech Import & Export Corporation is located in one of the hub cities of the New Eurasian Continental Bridge¡ªZhengzhou, integrating manufacturing, marketing and technology into one comprehensive business on chemical raw materials including inorganic chemicals, organic chemicals and intermediates, food & feed additives, rubber and plastic auxiliaries,flame retardants, oil drilling chemicals and cement additives etc.. We will expand and broaden the scope of commodities according to devel