Shandong gresea building materials co., ltd

Shandong Gresea Building Materials Co., Ltd is one of the largest concrete admixture in China. The company began its operations in 2000, and became a pioneer in the concrete additives in China. We primarily manufactures and supplies water reducer?superplasticizer(naphthalene-besed;Amino-sulfonic;Polycarboxylate)?air entraining agent?anti-freezing admixture?hardening accelerating admixture?set retarder?set retarding superplasticizer.