China Custom Flange Mounted Model Nmrv Series Aluminum Worm Gearboxes for Low-Speed Applications sequential gearbox بواسطة ep | أبريل 10, 2024 | UncategorizedProduct Description Product Parameters Editing and broadcasting of main materials 1. Body, die-casting aluminum alloy; 2. Worm shaft, 20 Crq steel, high temperature treatment; 3. Worm gear, nickel bronze alloy; 4. Aluminum alloy body, sandblasting and surface...