a. Material selection: EPP (density 30-40 kg/m³)+ EPO composite application b. Core role: EPP is used for anti-collision strips and frame support on the periphery of the fuselage. On the premise of ensuring structural strength (compressive strength ≥0.3 MPa), it reduces weight by more than 40% compared with traditional plastic parts, and absorbs more than 80% of the impact energy to avoid damage to the fuselage caused by scratching with obstacles during low-altitude flight;EPO adapts to complex curved structures and is used for auxiliary support of non-force bearing parts of the fuselage, taking into account both light weight and ease of assembly. c. Adaptation scenarios: eVTOL fuselage side wall, logistics drone fuselage frame, industrial drone fuselage collision avoidance ring (power inspection/plant protection machine)

a. Material selection: High resilience EPP (density 40-50 kg/m³) b. Core role: The custom-molded EPP cushion is installed on the bottom of the fuselage and landing gear. It can absorb the impact energy during hard landing (can withstand a drop at a height of 2m without damage) and reduce the impact of vibration on the fuselage structure and internal components.; The modular design of the EPP landing platform is light in weight and easy to handle, and is suitable for temporary take-off and landing needs in multiple scenarios such as urban roofs and wild areas. c. Adapted scenarios: eVTOL landing gear buffer, small drone landing pad, industrial drone landing pad (plant protection/inspection aircraft), emergency rescue drone temporary landing platform

a. Material selection: MPPE (flame retardant grade)+ EPP buffer structure b. Core role: As a battery pack insulation layer, MPPE has a thermal conductivity of ≤0.038 W/(m·K), which can effectively block the heat conduction when the battery is out of control and delay the heat spread rate for ≥60s; the exterior is equipped with EPP buffer bracket to absorb the vibration during flight (attenuating 5-2000Hz vibration) to avoid battery collision damage;MPPE has extremely low water absorption and excellent insulation properties to ensure the safe operation of high-voltage battery systems (voltage ≥ 400V) in high-altitude and humid environments. c. Adaptation scenarios: eVTOL power battery pack, long-life industrial drone battery module (surveying and mapping/inspection machine)

a. Material selection: MPPE + EPE composite application b. Core role: Precision avionics equipment such as flight control systems, lidar, and navigation sensors are made of MPPE customized packages to withstand high temperatures and resist electromagnetic interference (shielding efficiency ≥15 dB) to ensure stable operation in extreme flight environments;EPE buffer The inner support accurately fits the outline of the equipment, is shockproof and scratch resistant, avoids damage to parts during transportation and assembly, and can be compounded with aluminum foil to enhance the heat insulation effect. c. Adapted scenarios: eVTOL smart cockpit sensors, drone flight control modules, drone navigation systems (surveying and mapping, security aircraft)

a. Material selection: EPP cargo hold structure + EPE flexible lining + EPS outer packaging b. Core role: The EPP cargo bay main body is lightweight and does not affect the load of the aircraft, and has anti-collision and moisture-proof characteristics; the EPE lining accurately fits the cargo outline, is shockproof and scratch resistant, ensuring the transportation safety of express delivery, medical supplies, etc.;EPS The outer packaging is insulated and suitable for cold chain logistics or material transportation in high temperature environments. c. Performance advantages: The overall weight reduction of the cargo hold is 60%, the endurance is increased by 20%, and it is suitable for the outdoor transportation environment of-30 ℃~60℃. d. Adaptation scenarios: urban distribution drones, branch logistics drones, emergency material transportation drones

a. Material selection: EPO structural parts + EPS insulation layer + EPE buffer lining b. Core role: In the equipment cabin of plant protection and environmental monitoring drones, EPO structural parts are used to fix the internal electronic equipment, which has strong weather resistance and resists wind, rain and ultraviolet erosion during outdoor operations;EPS insulation layer maintains the temperature stability in the equipment cabin, avoids degradation of electronic components due to extreme temperatures, ensures the reliability of long-term outdoor operations, and EPE protects precision working parts. c. Adapted scenarios: plant protection drone (medicine box module), environmental monitoring drone (camera cabin), power inspection drone (testing equipment cabin)

a. Material selection: EPE composite foam + EPS outer packaging + EPP fixing bracket b. Core role: full-dimensional buffering, heat insulation and moisture proof, suitable for long-distance storage and transportation of industrial drone complete machines/operation modules c. Adaptation scenarios: eVTOL components, complete industrial drone (plant protection/surveying machine), aviation materials turnover boxes

a. Material selection: EPP maintenance platform + EPS insulation sleeve + EPO protective parts b. Core role: anti-slip buffer, heat insulation and scalding prevention, protect precision interfaces, and adapt to the outdoor maintenance needs of industrial drones c. Adaptation scenarios: eVTOL maintenance, industrial drone charging base station protection, operating equipment maintenance kit