Stage-level earthquake resistance:

-Third-Order spring damping structure, absorbing equipment vibration (passing MIL-STD-810G impact test)

-Aviation aluminum rod body + nylon glass fiber wheel frame, 40% weight loss, still bearing 300kg

silent black technology:

-Polyurethane muffler wheel (noise <25dB) + dust-proof design of fully wrapped bearing

-Grip built-in anti-skid silicone layer (grip strength increased by 200% in sweat-wet environment)

fast field distribution system:

-One-button angle locking (0 °/15 °/30 ° three-gear adjustment adapter...