Raspberry Pi 4 Heatsink, Simple Replaceable, Removable Top Cover for Pi 4 Model B/ 4B
Part size:L90mm*W65mm*H32mm

Surface treatment	painting,electrophoresis, powder coating, anodizing, pad printing, silk screening
Processing	1.design and making Mould 2.die-casting  aluminum ,3.deburrs ,polish 4.inspect 5. Surface treatment: deburring,polish,sand blasting 6.cnc machining 7. Inspection and packing
Industries Served	Bracket phone holder products
Material	JIS STANDARDS: ADC12 others aluminium die-cast parts materials
Application	Smart home parts Doorbell cover Smart key Security products
SURFACE TREATMENT	sandblasting, anodizing, painting, powder coating, electroplating, silk-screen printing
Standard	ISO9001 ,SGS,ROHS for aluminum die-casting parts,screw thread through stop gauge, caliper, electronic height gauge etc.