LAIZHOU GUANGCHENG CHEMICAL CO., LTD built at 2008, located in Chemical Industrial
Park of Yinhai, Laizhou City. We successively passed EU REACH, FDA, K-REACH, KKDIK,
ISO9001, ISO14001, ISO45001 etc. Guangcheng specialized manufacture and trade sulfamic acid
and magnesium sulfate anhydrous, monohydrate, trihydrate, heptahydrate etc. Specially trade
magnesium chloride, calcium chloride, sodium metasilicate, etc. Annually produces 30, 000 tons of
Sulfamic acid and 300, 000 tons of magnesium sulfate now.