Product advantages: The handle is independently researched and developed by the company, the appearance is in accordance with human technology, the grip is comfortable, the vision from window to door is unified, and it looks more coordinated, giving people a pleasing feeling!

All use die-cast aluminum-pure national standard aluminum, power and force parts use 5# zinc(die-cast zinc), multi-point small gear structure make transmission more smooth!

The surface fluorocarbon spraying is more durable, reaching the technical standard of decades of discoloration and achieve suitable and durable!