Zibo HangZheng is an economic and trade co., LTD. Is engaged in fine chemical domestic business and export enterprise, in inorganic, organic synthesis field with remarkable achievements. The company is located in zibo north west all, very convenient transportation, the company has strong acid, weak acid, strong alkali, weak base and chelate, adsorption resin 9 series more than one hundred varieties, are widely used in electric power, petroleum, chemical industry, metallurgy, plastics, pharmaceut...