Graded Card Slab โ The Grader-Chosen Shell.
Ultrasonic-welded archival grading slabs manufactured by Foamgrid for professional grading services, TCG publishers and authorized authentication houses. Museum-grade optical polycarbonate, tamper-evident weld, custom label window, laser-etched serial ready. OEM partner of PSA and CGC since 2021.
8 Reasons PSA, CGC and 6+ Grading Services Choose Us
Every feature engineered around one question โ what does a grader need to preserve authenticity for 100 years? These are the 8 answers our OEM partners tell us they can't find at other factories.
Trusted OEM Manufacturer of PSA, CGC and 6+ Emerging Graders
We manufacture grading slabs for the two biggest names in the industry โ plus a growing list of regional and specialty grading services worldwide. Your grading brand could be #9 on this list.
| Grading Service | Description | Type | Status | Rating | Since |
|---|---|---|---|---|---|
๐บ๐ธ PSA | Professional Sports Authenticator | World's #1 grader | OEM PARTNER | โ โ โ โ โ | Long-term contract 2021 |
๐บ๐ธ CGC | Certified Guaranty Company | TCG grading leader | OEM PARTNER | โ โ โ โ โ | Long-term contract 2021 |
๐ Grader-A | Regional TCG grading service | 6 markets ยท Asia-Pacific | OEM (NDA) | โ โ โ โ โ | Signed 2023 |
๐บ๐ธ Grader-B | Sports card AI grader | US emerging service | OEM (NDA) | โ โ โ โ โ | Signed 2024 |
๐ช๐บ Grader-C | European vintage specialist | EU market | OEM (NDA) | โ โ โ โ โ | Signed 2024 |
๐ง๐ท Grader-D | Emerging LATAM grader | Brazil launch 2025 | Development | โ โ โ โ โ | In R&D 2025 |
๐ฆ๐ช Grader-E | Middle East authentication | Dubai ยท Riyadh | Development | โ โ โ โ โ | In R&D 2025 |
๐จ Grader-F | Independent authentication | Custom formats | Prototyping | โ โ โ โ โ | Tooling 2025 |
Every Number Your Engineering Team Will Ask For
Full spec sheet published โ grading service engineering teams and Amazon compliance officers get everything they need. NDA required for the OEM tooling library.
Design Your Own Grading Slab From Scratch.
We Manufacture Every Layer.
We are the OEM manufacturer PSA and CGC use for specific slab components. The same tooling workshop, the same PC substrate, the same QC line is available to every emerging grading service. Send us your brand โ we'll build your grading slab from steel tooling to finished shell.
Any card format ยท any cradle depth ยท slim / standard / thick shell walls ยท dual-card / booklet / patch variants ยท non-standard shapes for currency & memorabilia
Rectangular ยท curved ยท irregular ยท dual-window ยท fold-out ยท flip-tab configurations ยท custom die-cut to match your grader brand guideline
Laser-etched permanent serials ยท QR-encoded traceability ยท sequential batch coding ยท integration with your grading database API
Holograms (2D/3D/Kinegram) ยท micro-print security zones ยท UV-fluorescent inks ยท thermochromic accents ยท encrypted QR codes
Clear standard ยท frosted premium ยท smoke security ยท custom Pantone-tinted PC (rare โ Foamgrid exclusive)
Standard optical PC ยท UV++ premium ยท high-security anti-shatter ยท low-VOC food-contact ยท biodegradable PC option (new)
Individual slab box ยท dual-slab dual-box ยท presentation folder ยท leatherette wallet ยท themed collector's tin
Full-stack: brand naming ยท Logo ยท label design ยท slab dieline ยท hologram sourcing ยท QR system ยท Amazon A+ ยท launch photography
Six Ways Our Slabs Preserve Value
Understand the end-market for graded slabs. Each scenario has a slightly different label, hologram, cradle spec and packaging expectation โ we've manufactured for all six.
4 Steps ยท Every Slab Grade-Ready
No outsourcing, no traders. From raw optical PC pellet to ultrasonic-welded finished slab โ every stage happens under one Dongguan roof, monitored by named engineers with grading-service audit access.
Certifications That Clear Customs and Pass Audits
Every shipment leaves our dock with the paperwork your inspector, distributor or Amazon compliance team will ask for. No follow-up requests. No surcharges.
โ Verified
On-site assessment by SGS โ Gold Plus tier reserved for Alibaba.com's most trusted suppliers.
โ Verified
EN 71-1/2/3 mechanical, flammability & chemical safety โ 14 product/color variants certified.
โ Verified
Pb ยท Cd ยท Hg ยท Cr(VI) ยท PBB ยท PBDE ยท phthalates โ all within EU limits. Tested by CTI.
โ Verified
Full on-site audit of facility, capacity and working environment โ via Made-in-China.com.
Get Your Custom Slab Quote in 4 Hours
Grading service brief ยท Kelly gets back with:
14 Answers to Grading Service Procurement Questions
Real questions from real grading service partners โ filtered from B2B inquiries this year. Answered straight, no marketing fluff.
Ready to Launch Your Grading Service Slab?
OEM manufacturer of PSA and CGC since 2021 โ and quietly building 6+ emerging grading services worldwide. Bilateral NDA on day one. Zero commitment, zero deposit for the first quote. Sample kits for qualified grading service partners.
