Polycarboxylate superplasticizer polyether macromonomer With the steady development of China's concrete water reducing agent manufacturing industry, especially the introduction of relevant national policies, China's concrete water reducing agent manufacturing industry has ushered in a good development opportunity. At present, China's concrete water reducer products are complete in variety and performance, and the output ranks first in the world. The annual growth rate exceeds 20%, meeting the railways, highways, airports, coal mines, municipal engineering, nuclear power plants and dams in recent years.