... Prompt Delivery 3) Strict Quality Control Aluminum Floor Drain Castings1. Material: Floor drain castings are made of aluminum. The ... Dimension Range: 3mm - 3000mm5. Moulding Process: The aluminum floor drain castings are sand casting. The green sand casting, ... Machining center, CNC, Lathe, Milling machine, drilling etc. Surface treatment: painting, polishing, heat treatment, plating or galvanization ...