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person:("long weiyong")
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person:("long feihong")
Lightweight chassis structure of low-floor electric coach
Combined longitudinal beam type integrated aluminum alloy frame
Coach chassis base structure capable of being wholly stressed
Mortise and tenon type side wall structure of all-aluminum alloy vehicle
All-aluminum alloy tenon-and-mortise type hard point assembly of small bus frame
Self-assembly aluminum alloy suspension support based on tenon-and-mortise connection
Pure electric automobile chassis system adopting light-weight coach chassis structure
Passenger car multi-hole transverse tunnel aluminum alloy cavity beam structure frame