Energy saving system of crane based on extended range hybrid power

Invention Patent a battery pack

An extended range hybrid power system for crane

Power supply system of variable speed generator set

Electrical control and detection device of generator set

Intelligent load test system for generator set

Waterproof silent generator set/ Waterproof silent type

system of port power house with retractable walkway rail mechanism and modified mechanism

A new patent of battery pack

A new patent of battery pack

A new type of secondary battery patent

Fuel tank for diesel generator set