• Quality is the Language of B2B

    At Guan International, we don't just supply teaware; we supply certainty. Explore our rigorous QC protocols and verified shipment records.

    100%

    Material Food-Grade

    <0.5%

    AQL Defect Rate

    24h

    QC Feedback Loop

    12+

    Compliance Certs

  • How We Mitigate Your Risk

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    1. Incoming QC (IQC)

    Every batch of stainless steel (SS304/316) or borosilicate glass is tested for purity before production begins.

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    2. In-Process QC

    On-site inspectors check the first-off samples and monitor the assembly line every 2 hours.

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    3. Final Pre-shipment

    AQL 2.5/4.0 standards applied. We simulate shipping conditions to ensure packaging survives the journey.

  • Your Concerns, Answered

    Can I send my own QC agent?

    Absolutely. We welcome 3rd-party inspections from SGS, V-Trust, or your local agent. We provide a dedicated QC room for their work.

    What if I find defects after delivery?

    Guan International offers a 1:1 replacement guarantee for any manufacturing defects found within 90 days of arrival.

    How do you protect my custom designs?

    We sign strict NDA agreements and have a "no-leak" policy. Your custom molds and logos are used exclusively for your orders.

    Are your materials truly food-grade?

    Yes. Every shipment is accompanied by a material certificate. Our products comply with FDA, LFGB, and REACH standards.

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