Lianzhou is China's Calcium Carbonate City, global calcium carbonate export processing and manufacturing base, global calcium carbonate R&D innovation center.The company takes Lianzhou (Calcium Carbonate City) as the center, has been adhering to the spirit of Technology Leading, Research and Innovation, and has established Calcium Carbonate Technology Research & Development Center, Calcium Carbonate Exhibition Center and Calcium Carbonate Inspection Center. All products have passed the EU REACH, SGS, EN71, halogen test to ensure zero pollution. These are to provide high-quality services for global customers and strive for Guangdong Qiangda to become a global famous brand of calcium carbonate.