Patents/Inventors

Qingyan Chen

ShenzhenCN1 patent

2 Patents

US122589512025
Transmission Assembly of Pump Head of Diaphragm Booster Pump, Pump Head of Diaphragm Booster Pump, and Diaphragm Booster Pump
SHENZHEN ANGEL DRINKING WATER INDUSTRIAL GROUP CORPORATION
0 cites
US122530722025
Pump Head of Diaphragm Booster Pump, Diaphragm Booster Pump, Water Treatment Device and Method of Operating Pump Head
SHENZHEN ANGEL DRINKING WATER INDUSTRIAL GROUP CORPORATION
0 cites