... 3.Hot design 4.gas lift bed for bed special Bed gas lift The gas spring using for bed, bed frame, sofa frame, we ... outside the hard carton.Our factory Pengzhou Minjiang Hardware Co., Ltd. produce gas spring, lockable gas spring, damper, shock absorber ... machinery, aviation, motorcycles, medical equipment, the cabinets , the box, the bed, fitness equipment, the boat, the train , the tractor , the ...