Rech Chemical Co. Ltd is a major manufacturer and supplier of zinc sulfate, ferrous sulfate, manganese sulfate monohydrate, magnesium sulfate and copper sulpahte pentahydrate. Our company is authorized by ISO9001:2008 and FAMI-QS. What's more, we have finished EU REACH registration. Rech Chemical have specialized in manufacturing sulfate saltswhich are mainly exported to the U.S., Europe and Australia. We provide OEM services for renowned chemical product distributors both at home and abroad. More information in http://www.rqsulfates.com Email: info@rqsulfates.com