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Production Process
Product production process
01.
Raw Material Processing
Ball milling and sieving of raw materials (e.g., kaolin, quartz) with iron removal, followed by aging to enhance plasticity.
02.
Blank Production
- Slip casting or press molding, with post-demolding water washing and polishing.
- Polishing to 1200+ grit smoothness, with visual inspection for bubbles/cracks.
03.
Decal Application
- Screen printing or heat transfer for overglaze/underglaze patterns.
- Firing at 780-850℃ to fix pigments on the blank
04.
Tempering
- High-temperature sintering (1250-1280℃) to form glass phase, achieving Mohs 6.5 hardness
- Air quenching to generate compressive stress, increasing impact resistance by 300%
05.
Packaging & Inspection
- Custom EPE foam inserts + 5-ply corrugated boxes with “Fragile” lab
- Color difference ΔE≤1.5, dimensional tolerance ±0.5mm, FDA-compliant heavy metal limits
06.
Storage
- Climate-controlled warehouse (20±5℃/RH50%) with ERP-tracked batch codes
07.
Delivery
- Air column bags + wooden crates for fragile items, 92% container loading optimization
