A Bubble Loss Measuring Device Under Pressure for Foamed Concrete Mixture

A Device for Making Cement Soundness Pat Inventor: Lou Deli/Zhang Dong/Ma Zhichao/Tang Bin/Zhao Deming/Li Haibo/Chen Pengqiang

Overlength Prestressing Tendon Tractor

A Feeding Device for Colorant Marking Different Strength Grades of Pump Concrete

Marking Construction Method for Different Strength Grades of Newly-mixed Pump Concrete

Cement Concrete Sleep-wake up Agent Inventor: Xing Qingyi/Li Haibo/Zhang Dong/Yuan Huixing/Zhan Wei/Gong Wenjin/Li Hongjin

A Method to Rapidly Reduce the Slump of Pump Concrete Inventor: Lou Deli/Xing Qingyi/Zhang Dong/Yuan Huixing/Ma Zhichao/Gong Wenjin/Tang Bin/Chen Pengqiang

A Pebble Screening Device

A Method for Measuring Pressure the Water Absorption of Ceramsite and Reducing Loss of Slump of Ceramsite Concrete Under Pumping Pressure