1.Material:aluminum. 2.Size:available. 3.Compact and scratchproof surface. 4.Competitive price. 5.OEM & ... equipment manufacturer.5. Be well-known for professional photographer-approved, high quality, affordability, a wide selection, and a great service.Product ... inspection on spare parts,like capacitor, diode, fans, resistors, flash tube and so on before production.Semi-finished products inspection ...