LaiZhou ZhongDa Chemicals CO., LTD, locating in Yong'an Industrial Zone of laizhou City Shangdong, is specialized in manufacturing sulfamic acid, magnesium sulphate for several years.We are delicating to give our clients the high quality products and best service.Our customers��appreciation is the approval of our high quality."Being Quality First, People Foremost, and Customer Centered" is our beliefs which motivate us to be the best in this area.
