1,This kind of gas spring is our best seller 2,High quality 3,reasonable price ... you, we will provide best service to you.2,compression spring suitable for cabinet and chair,newton 30N,50N,80N,100N ... oil; Our paint is passed ROHS test; 4,When the gas spring is up and down, it's soomth opration without noise ... days after deposit.Shipment: We can accept your appionted forwarder. gas spring for device