... thermos, water bottles , dinnerware, household utensils hydraulic press for metal swell(such as vacuum cup, thermos, water bottles , dinnerware, household utensils) ... . It is mainly applied to stainless steel, steel, aluminum, iron materials until the vacuum cup, thermos, water ... product is unable to have. hydraulic press for metal swell(such as vacuum cup, thermos, water bottles , dinnerware, household ...