Production Process

From raw materials to refined glassware, our end-to-end production ensures consistency, precision, and superior quality at every stage.

Raw Material Processing

THE HIGH ODM SERVICES

Ball milling and sieving of raw materials (e.g., kaolin, quartz) with iron removal, followed by aging to enhance plasticity.

Tempering

THE HIGH ODM SERVICES
  • 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%

Blank Production

THE HIGH ODM SERVICES
  • Slip casting or press molding, with post-demolding water washing and polishing.
  • Polishing to 1200+ grit smoothness, with visual inspection for bubbles/cracks.

Decal Application

THE HIGH ODM SERVICES
  • Screen printing or heat transfer for overglaze/underglaze patterns.
  • Firing at 780-850℃ to fix pigments on the blank

Packaging & Inspection

THE HIGH ODM SERVICES
  • 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

Delivery

THE HIGH ODM SERVICES
  • Air column bags + wooden crates for fragile items, 92% container loading optimization
End-to-End Customization

From concept to finished product, we offer full design and manufacturing support tailored to your brand’s needs.

Market-Ready Precision

Our samples undergo real production processes and rigorous testing to ensure market-ready quality and performance.

Flexible & Transparent Workflow

Clear communication, fast feedback loops, and adaptable processes ensure efficient and reliable project execution.

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Contact us

Connect with us for tailored solutions, partnership opportunities, or product inquiries — we’re ready to support your vision.

Address
Wenci Town, Chaozhou City, Guangdong Province
Phone
+86 768 6743689
Email
jointion@gdjcgk.com