聚苯硫醚（PPS）航空航天產品應用槍支殼體、頭盔、軍艦潛艇耐腐蝕耐磨部件、飛行器接插件、線圈骨架、儀表盤Aerospace applicationsHousing firearms, helmets, submarine warships corrosion-resistant wear parts, aircraft connectors, coil skeleton, dashboard