| Customer Do | FOCUSON ENGINE Do | Time |
| Provide product demand or OE reference | Confirm available models in our inventory or supply chain based on OE numbers and customer application. | Immediate |
| Confirm product specification | Share datasheets, drawings, or actual samples to verify technical compatibility. | 3–5 days |
| Confirm branding and packaging | Provide packaging design templates and assist in customizing labels, color boxes, or logos. | 1-2 week |
| Confirm sample and branding layout | Send branded sample (including packaging) for customer approval. | Approx. 1 week |
| Final confirmation | Begin bulk packaging and shipment after final confirmation. | Varies (based on quantity) |