Composite pod rod controlled to be folded and unfolded based on shape memory composite material
Polyurethane tire with high wear resistance and aging resistance
Life jacket with antibacterial inner core and preparation method of inner core of life jacket
Light composite material heat insulation tile for spaceflight and manufacturing method thereof
Life jacket with LDPE foaming inner core and preparation method of inner core of life jacket
Rearview mirror heating diaphragm manufacturing method, glass heating diaphragm and device