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Quality Assurance

Lab-Tested.
Built to Last.

Our on-site lab runs nine standardized tests before any box leaves the floor — guaranteeing strength, color accuracy, and food-grade safety.

FSC Certified ISO 9001 ISO 14001 ISO 45001
Temperature & Humidity Test Chamber
In-House Test Equipment

Nine Standardized Lab Tests

Every batch is verified on dedicated instruments — from grammage and brightness to crush, puncture and climate resistance.

Scale
Scale
GSM check — verify paper grammage to spec.
Whiteness Meter
Whiteness Meter
Brightness — ensure consistent surface whiteness.
Paper Strength Test
Paper Strength
Tensile — measure board tensile strength.
Folding Endurance Test
Folding Endurance
Flex cycles — folding fatigue resistance.
Puncture Test
Puncture Test
Impact — puncture resistance of the board.
Edge Crush Test
Edge Crush Test
ECT — stacking strength of the box.
Print Decoloring Test
Print Decoloring
Rub resistance — ink adhesion & rub fastness.
Temperature & Humidity Test
Temp & Humidity
Climate — aging under controlled conditions.
Paper Box Material Analysis
Material Analysis
Composition — verify raw material makeup.
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Certifications & Compliance

Verified. Certified. Downloadable.

Our management systems and fibre chain of custody are independently certified. Click any certificate to view or download the original PDF.

FSC Chain of Custody Certificate — Wuxi Tiancai
FSC® Chain of Custody
GFA-COC-004084 · valid to 05 Jun 2029

FSC-STD-40-004 (v3-1) by GFA Certification GmbH — cardboard & corrugated packaging, paper products. Verifiable at info.fsc.org.

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ISO 9001:2015 Certificate — Wuxi Tiancai
ISO 9001:2015 Quality
24CN34509678Q · valid to 25 Aug 2027

Quality management for the design and production of colored packaging boxes and puzzle board game products.

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ISO 14001:2015 Certificate — Wuxi Tiancai
ISO 14001:2015 Environmental
24CN34509679E · valid to 25 Aug 2027

Environmental management across design and production — the same scope as our quality system, audited annually.

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ISO 45001:2018 Certificate — Wuxi Tiancai
ISO 45001:2018 Health & Safety
24CN34509680S · valid to 25 Aug 2027

Occupational health & safety management — protecting the people behind every box we produce.

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ISO certificates issued by ACM International Certification Limited (IAS-accredited, IAF member), verifiable at acmchina.com and cnca.gov.cn. FSC® chain-of-custody status verifiable on the public FSC database at info.fsc.org. Originals available to clients on request.

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