... 3. ISO verified factory 4. Good performance aluminum die casting sun-flower led street lamp shade Material Aluminum ... customer's drawings or samples.ProcessingTurning, Stamping, Die/pressure casting, CNC processsing, Punching, Riveting, Bending, Cutting, Welding, Threading, Grinding, ... service from tooling design, moldflow simulation , die casting technic analysis, CNC machining and surface treatment.