... dinnerware, household utensils hydraulic press for metal swell(such as vacuum cup, thermos, water bottles , dinnerware, household utensils) HRZ Series ... long life, less hydraulic impact, reducing the link pipe with the leak. Clamping force, the oil pressure adjustable. ... stainless steel, steel, aluminum, iron materials until the vacuum cup, thermos, water bottles and other food containers, the ...