Testing & Quality Control at OPACK
To produce products of uncompromized quality, we take charge of every step and conduct quality control in each step.
Desgin & Quality Testing & Tracking
Professional Custom Packaging Manufacturer in China
Digital Prepress & Artwork Adjustment
All designs are digitally adjusted on computer systems to ensure print accuracy before entering production at our professional paper bag and gift box factory.
CTP Plate Making on Printing Machines
High-precision CTP machines create printing plates, ensuring stable output and consistent quality across large-volume custom packaging production.
Color Matching & Delta-E Control
Colors are calibrated using professional color-measuring machines. Delta-E values are compared to guarantee color accuracy for every custom paper bag and gift box.
Non-Ground Clean Production Line
Every product moves through our dust-free non-ground production line. From raw paper to finished packaging, nothing touches the floor—ensuring clean, damage-free results.
品質検査
Each batch is inspected for color consistency, material quality, printing accuracy, and structural strength before shipment.
Protective Packing of Finished Goods
All custom packaging is packed with reinforced protection, designed for export, storage, and long-distance transportation.
Truck Loading & Shipment Control
Goods are loaded with stacking supervision and labeling control, ensuring safe transport from our packaging factory in China to global customers.
見積依頼
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