Processing and customization No. Material Aluminum alloy Item No. GZSB-001 Color Black, red, blue, gold, silver, orange, green, titanium, purple Specifications Type A has the same color as the upper and lower covers, Type B has a black lower cover and the main color of the upper cover, and Type C has the lower cover Cover silver upper cover main color style classification refit upper pump product type 21537102964 model GZDSSB-001 name refit upper pump