Laizhou Zhongda Chemicals Co., Ltd., is a professional, established in 2007 with a vision to provide the best quality products and service to our client with more than 10 years' experience manufacturing and exporting overseas. Our factory is located in Laizhou City, Shandong province, specialized in the manufacture and sales of sulfamic acid, magnesium sulphate, magnesium sulphate fertilizer. Our company has an floor area of 64600 m2 , with total investment of 50 million RMB，registered capital of 10000,000 RMB.Our Team We have professional sales team, production team, logistics team, QC team to provide customer comprehensive service. We can be reached via email, telephone, fax and social software. Warmly welcome to contact us freely, as we are bilingual, easily accessible and readily available. We are always glad to help you at you demand.