The technology research and development center was established in 2015, and more than 10 practical patent certificates were successfully applied in 2017. Were a shake water reducing agent, a stirred tank used in the production of air-entraining agent, a kind of bulk concrete expansion agent under the dust collecting device, a comprehensive poly carboxylic acid water reducing agent and its preparation method, a kind of liquid accelerator to add device, a jianshuiji production waste gas processing equipment, a kind of water reducing agent storage tanks, a concrete multi-functional preservatives production system, a kind of high efficient extraction of concrete expansive agent system, a kind of early strength poly carboxylic acid water reducing agent and its preparation method, a kind of water reducing agent reaction kettle, a new kind of accelerator transmission system