Corps with dimensions 150x50x216 mm

Two corps parts:
1. Aluminum detail   (extrusion) 150*50*216 mm
The cost of a filter is $ 3700.
The cost of one part at a circulation of 3000 pcs. - $ 5.
2. Plastic plugs, 2 pcs, size 145*55*2 mm
The cost of a set of press forms-$ 12,000
The cost of a set of parts at a circulation of 3000 pcs. - $ 0.44.