Most buyers never see the inside of their printer's factory, which is why quality problems feel random and unpredictable. Once you know the sequence, it stops being a black box — and you know exactly which stage to ask about when something looks off.
Step 1: Pre-press and CTP
Your artwork is checked for bleed, resolution, colour mode and font embedding. Dielines are applied and imposed onto the printing sheet so that the maximum number of units fits with correct margins for trimming and folding. The approved imposition is then imaged onto aluminium printing plates by a computer-to-plate system — one plate per colour, per side.
This is the stage where cheap mistakes happen. A missing 3 mm bleed or a 150 dpi image will not be caught by the press operator, because by then the plate is made. A free pre-press check before plating is the single highest-value thing a printer can offer you.
Step 2: Colour proofing
A GMG digital proof is produced from your file and matched against a calibrated colour target. This is your last chance to change anything cheaply. Vlikestar proofs at 95% colour accuracy — not perfect, because ink on paper is a physical process, but close enough that the printed result is predictable.
Step 3: Offset printing
Four-colour sheet-fed offset presses run the job. Each unit prints one colour and the sheet passes through in sequence. The first sheets are waste — the operator dials in ink density and registration against the proof until the sheet matches, then the run begins.
Because the plates are fixed, unit cost falls steeply with quantity and the colour stays consistent across the run — which is why offset, not digital, is the right process for anything above a few hundred units.
Step 4: Finishing
Lamination, spot UV, foil stamping and embossing happen after printing and before cutting. Foil and emboss use their own dies and are separate passes through a machine, which is why each one adds cost and time. Then die-cutting and creasing cut the printed sheets into their final shape.
Step 5: Binding and assembly
- Saddle stitch — folded sheets stapled at the spine; fastest and cheapest
- Perfect bound — pages glued into a wrap-around cover; the paperback standard
- Case bound — a sewn block in a rigid board case; the premium option
- Board book — mounted pages glued and pressed, then rounded on all corners
- Spiral and Wire-O — punched and coiled, opens flat or 360°
Hand assembly follows for anything that cannot be machined: pop-up spreads, rigid gift boxes, magnet books and co-packed games. This is where timelines actually extend, because it is labour, not machine speed.
Step 6: Inspection and packing
Finished goods are checked against the approved sample — count, colour, binding integrity, corner rounding, and a random sample of units. A final inspection report with photographs goes to the buyer before anything ships. Then shrink wrapping, carton marking, palletising, and DDP freight to your door.
What a buyer should ask to see
- The proof, before you approve it — and a physical printed sample if possible
- The imposition sheet, if you have unusual sizes or heavy finishing
- Photos of the finished cartons before dispatch
- The final inspection report, not a verbal assurance
Vlikestar runs Kodak CTP pre-press, Komori and Heidelberg four-colour offset presses, GMG colour proofing, and automated binding, die-cutting and box-making lines under one 6,000 m² roof in Shenzhen — so nothing is outsourced and nothing waits in a third party's queue.