... Standard Technical InformaionFinish: Painting, PowderMaterials: Aluminum aloy+Iron+PlasticAvailable: Up-turning wooden door and Aluminium-frme door 3. Service1) High ... products includ automatic lifting parts, support, dynamically balance and spring, and we'll provide our customers with professional tech service ... , and we'll boom our business with our cutomers. Lift-Up Flam Support / cabinet support