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Factory

Factory & Manufacturing

12,500 m2 SUP factory in Qingdao, China — custom SUP manufacturing from raw PVC material to finished inflatable paddle board

  • As the manufacturing division of **Qingdao Vatrad Group Co., Ltd.**, Afarer controls every stage of inflatable SUP manufacturing —from the arrival of raw PVC materials to the final pre-delivery inspection of the finished paddle board. Our manufacturing facility in the Qingdao Economic Development Zone spans 12,500 square metres and houses dedicated workshops for PVC cutting, drop-stitch core bonding, SUP digital printing, final assembly, and quality testing.
  • By integrating design, engineering, prototyping, manufacturing, and testing under one roof, we eliminate the inefficiencies of contract manufacturing and maintain direct control over build quality, material selection, and delivery timelines. Every SUP that leaves our workshop is built by our people, on our equipment, to our standards.
12,500 m2
Manufacturing floor
350+
Skilled workers
120,000+
SUPs produced annually
ISO 9001
Quality certified

Factory Intelligence

Explore Our Manufacturing Capabilities

C

Production Capacity

12,500 m² facility producing 120,000+ SUPs/yr across SUP board and safety equipment lines. 350+ workers, 2 shifts.

MOQ: SUP: sample 1–2 / pilot 20–50 / volume 90–100+Lead Time: 25–35 days
Full capacity details →
Q

Quality Lab & Testing

Independent QC lab with 4 testing stages: raw material inspection (tensile, tear, UV), 24h pressure hold at 18.0 PSI, seam peel testing, and flexural rigidity verification on every board.

Lab Equipment: Tensile tester, temp chamber, leak tankStandards: ISO 9001, CE, AS 1799
Lab procedures & equipment →
O

OEM/ODM Capability

End-to-end OEM/ODM services: custom mould design, private-label packaging, custom board colors, deck graphics (digital & screen printing), and export-ready packing.

Certifications: ISO 9001, BSCI, CE, REACHExport markets: 50+ countries
Full OEM services →
I

Quality Inspection Standards

Project-specific quality inspection criteria across IQC, IPQC, FQC, and OQC: air-tightness verification, visual and dimensional checks, accessory confirmation, batch traceability, and pre-shipment release sign-off — plus controlled air-tightness non-conformance and rework governance.

Coverage: Materials → final packingDownloads: QC protocol, PSI report & rework docs (PDF)
Inspection standards & downloads →
C

Rework Change Control Standard

Formal ISO 9001 change control for rework parameters: ECR, risk classification, cross-department approval matrix, 9-step closed-loop, quantified engineering validation (18.0 PSI, 24 h hold, ΔP ≤ 0.2 PSI) and Poka-Yoke safeguards — with bilingual SOP QMS-SOP-QC-CC-001 Rev 2.0.

Document: QMS-SOP-QC-CC-001 Rev 2.0Downloads: Change control SOP & execution annex (PDF)
Change control standard & downloads →
N

Non-Conforming Product Control

ISO 9001:2015 Clause 8.7 control of non-conforming outputs: NCR registration, quarantine and hold, disposition by severity (line sign-off / QC Manager + Technical Engineer / MRB), controlled rework under SRI instructions, independent 100% re-inspection and witnessed destruction — scrap video vaulted under SHA-256.

Standard: ISO 9001:2015 Clause 8.7Scrap certificate: VAT-QA-SCRAP-CERT-2026
Non-conforming control & downloads →
Q

7-Stage Quality Control Flow

The complete project quality control flow, gate by gate: Quality Planning (PPM) → Incoming Material Inspection → In-Process Control & First Article → Inflation & Air-Tightness → Final Inspection → Packaging & PSI → Shipment Release & Traceability. Each gate shows what is checked, how it is judged and which bilingual report is produced.

Gates: 01 → 07Downloads: Report dossiers per gate (PDF)
Inspect the 7-stage flow →

Workshops

Manufacturing Workshops

CNC PVC cutting machine preparing inflatable SUP fabric panels at Qingdao factory

PVC Cutting & Material Preparation

Automatic CNC cutting machines process PVC, Hypalon, and drop-stitch fabrics with sub-millimetre precision. Computer-optimised nesting minimises material waste and ensures every panel meets its dimensional specification before welding.

RF welding machine sealing inflatable boat tube chambers at Qingdao factory

Tube Welding & Heat Sealing

Dedicated welding workshop with heat sealing machines and RF dielectric presses. Hot-air heat sealers bond and fuse PVC tube chambers, while RF welds produce high-strength airtight seams that exceed requirements.

Inflatable SUP manufacturing line with drop-stitch core bonding equipment at Qingdao factory

Drop-Stitch Core Bonding

SUP board drop-stitch cores are bonded to outer PVC laminates using heat lamination. Thousands of internal polyester threads connect top and bottom layers, creating a rigid structure at 12-15 PSI. Rail bands are triple-layer fusion bonded for edge strength.

Production department interior at Qingdao inflatable SUP factory

SUP Printing & Decoration

SUP boards are decorated using digital printing for full-colour graphics and screen printing for logos and repeating patterns. Digital printers produce photo-quality deck designs, while screen printing delivers durable, vivid brand marks.

Production department with assembly workstations at Qingdao factory

Final Assembly & Fitting

Assembly line where valves, D-rings, handles, fin boxes, and deck pads are installed on each SUP board. Each board follows a 100-point assembly checklist signed off by the team lead.

Pressure testing inflatable SUP for air retention before shipping at Qingdao factory

Quality Testing & Inspection

Every completed board undergoes mandatory air-retention testing, seam peel verification, and a full systems check before shipping. Our quality lab operates independently from production and reports directly to management.

Equipment

Key Manufacturing Equipment

Automatic PVC Cutting MachineCNC-controlled, 0.1 mm accuracy
Heat Sealing MachineHot-air, 200°C–300 °C, for tube bonding
RF Dielectric Welding Press15 kW, airtight seam welding
Drop-Stitch Core Lamination PressSUP cores up to 14 ft
Digital PrinterFull-colour SUP deck graphics
Screen Printing MachineMulti-colour logo printing

Quality Control

Testing & Quality Assurance Process

Every board undergoes mandatory testing before shipping. Our quality lab operates independently from production and reports directly to management.

  1. 1

    Raw Material Inspection

    PVC, Hypalon, and drop-stitch fabrics undergo tensile testing (), tear propagation, and UV resistance verification before any batch enters production.

  2. 2

    24-Hour Air Retention Test

    Every tube chamber is inflated to 18.0 PSI and held for 24 hours. Pressure drop above 0.50 PSI triggers automatic rejection and seam re-inspection.

  3. 3

    Load & Balance Testing

    Completed boards are inflated to rated pressure and checked for symmetric swell, rigidity at 15 PSI, and stability under load. Each board is wet-tested in our test pool before final inspection.

OEM Projects

Brand & OEM Partnership Case Studies

From concept to production —how we help global brands launch and scale their inflatable SUP lines.

Challenge
European outdoor retailer needed a private-label SUP line with unique deck graphics, eco-friendly PVC, and retail-ready packaging —all delivered in 60 days.
Solution
Developed custom digital print files, sourced REACH-compliant PVC, and compressed sampling from 3 rounds to 1 by co-locating the design team at our Qingdao factory.
Result
25–35 days production from signed PO, with first delivery within the 60-day landing window. 2,400 units across 4 SKUs. Repeat order placed before the first batch was fully delivered.
Challenge
US watersports startup needed a high-performance drop-stitch SUP with custom shape, co-branded packaging, and BSCI certification for retail placement.
Solution
Adapted existing SUP mould with modified outline, developed co-branded packaging artwork, and provided full BSCI audit documentation.
Result
Successfully placed across key US outdoor retailers, driving strong momentum with over 5,000 units sold in Year 1 and a 98% sell-through rate.
Challenge
Australian distributor required a CE-certified SUP range with custom colours and compliance with Australian standards.
Solution
Produced pre-production samples with 4 colour variants and coordinated third-party compliance testing.
Result
3-model SUP range launched in AU/NZ market. Followed by government tender win for 12 patrol SUPs.

FAQ

B2B & OEM Frequently Asked Questions

What is the minimum order quantity (MOQ) for OEM inflatable SUP boards?+

MOQ is confirmed by project configuration rather than a fixed number — hull and tooling, colorways and PVC, artwork, packaging and accessories. Standard volume production runs 90–100+ units per batch from a full 150 m drop-stitch roll, small-batch co-branding starts at 5–10 units, and every project moves through sample (1–2 units) and pilot (20–50 units) stages. See our MOQ & Flexible Branding Guide for the full calculation logic.

Yes. Our factory maintains valid BSCI social compliance certification (audit report available on request). We also hold ISO 9001 for quality management. CE certification applies to models destined for EU markets; scope is confirmed per project. REACH and RoHS compliance documentation is provided with every OEM order.

Standard lead time is 25–35 days from confirmed PO and deposit for bulk OEM production. Custom mould development adds 15–20 days for tooling. Expedited production is available for urgent orders and seasonal rushes. Prototype samples are typically ready within 7–12 days.

Yes. Our team manages export documentation and customs clearance in-house, and we supply to 50+ countries across EU, US, AU, and Asia markets.

Production Flow

From Material to Finished Board

Every board passes through 6 production stages with QC checkpoints at every step. No shortcuts, no skipped inspections.

01

Material Receiving & Incoming QC

All incoming materials are logged by batch/lot number in our ERP system. PVC fabric rolls, drop-stitch cores, valves, adhesives, and hardware are quarantined until QC sign-off.

QC check
Tensile strength (ASTM D751), tear resistance (ISO 4674), thickness gauge, adhesive viscosity, visual defect scan
Threshold
100% of batches tested. Reject if tensile < 90% of spec, tear < spec min, or any visual defect
Responsibility
Incoming QC team (3 inspectors)
02

CNC Cutting & Material Prep

Computer-optimized nesting lays out panels on PVC stock to minimize waste. Automatic CNC cutting machines maintain 0.1 mm positional accuracy.

QC check
Dimensional check against CAD DXF files, edge quality inspection, panel count verification
Threshold
Every 20th panel measured. Tolerance ±0.5 mm. Reject batch if >2% out of tolerance
Responsibility
Cutting workshop lead
03

Welding & Drop-Stitch Bonding

Drop-stitch cores are bonded to outer PVC laminates using heat lamination. Tube chambers are RF-welded or hot-air welded. Rail bands are triple-layer fusion bonded.

QC check
Peel test every 50 units (ASTM D751), weld width measurement, hot-air temperature log review, visual seam inspection under backlight
Threshold
Peel strength min 8 N/cm. Weld width tolerance ±1 mm. Any visible channeling = reject
Responsibility
Welding QC (2 inspectors per shift)
04

Assembly & Rigging

Boards move to final assembly where all components come together: deck and hull panels fused, valves installed, D-rings, handles, fin boxes, and carry bag fitting. Each unit follows a 100-point assembly checklist.

QC check
100-point checklist sign-off per unit, valve function test (10 open/close cycles), hardware torque verification, visual inspection
Threshold
Zero-defect policy on safety-critical items (valves, D-rings, handles). Minor cosmetic: AQL 2.5 (ISO 2859)
Responsibility
Assembly team lead + line QC
05

Pressure Testing & Quality Hold

Every chamber is inflated to 18.0 PSI (for a 12–15 PSI rated SUP) and held for 24 hours. Pressure sensors log continuously. Chambers exceeding 0.50 PSI pressure drop are rejected and sent for seam re-inspection.

QC check
24h pressure hold log, sensor calibration verified daily, temperature-compensated pressure reading, seam re-test after repair
Threshold
Max 0.50 PSI pressure drop over 24h at stable temp. Any chamber exceeding this = 100% re-test of entire production batch
Responsibility
Quality lab (independent of production, reports to management)
06

Final Inspection & Packing

Final visual and functional inspection. Surface defects, color consistency, label/BIN verification, packaging integrity, and accessory completeness. Units are vacuum-packed, boxed, and palletized for container loading.

QC check
Full visual inspection, accessory checklist per SKU, packaging drop test (1 m, random sample), label/bar code scan verification
Threshold
AQL 2.5 for major defects, AQL 4.0 for minor. Zero tolerance on safety defects. 100% of units visually inspected
Responsibility
Final QC team (4 inspectors) + Packing team lead

Our People

Workforce & Expertise

Engineers across R&D, mold design, materials lab, and production engineering. Average 7+ years in inflatable manufacturing.

2 shifts/day (07:00–15:30, 15:30–00:00). Optional night shift for urgent orders.

Monthly QC training, quarterly safety drills, annual skills assessment. New hires complete 40-hour induction before working on production line.

DepartmentPeople
R&D & Engineering25+
Cutting & Material Prep
Welding & Lamination
SUP Core Bonding
Assembly & Rigging
Quality Control
Logistics & Packing
Management & Admin

Traceability

Material Tracking & Batch Control

Every batch of raw material is assigned a unique lot number in our ERP system. From arrival through production to the finished product, each board's bill of materials links back to the original supplier batch. This enables full upstream traceability for any quality or compliance inquiry.

System: Custom ERP (Qingdao Vatrad Group internal system) + physical batch tags on each work order

Coverage: 100% of production materials —PVC, Hypalon, drop-stitch fabric, adhesives, valves, hardware, packaging

Records retained: 10 years (per CE 2013/53/EU requirement)

MaterialSource
Marine-grade PVCChinese and Korean suppliers
Hypalon (CSM)Japanese supplier
Drop-stitch fabricIn-house weaving + external partner
Valves & HardwareChinese OEM suppliers

QC by the Numbers

Quality Control Metrics

Real pass/fail data from our production line. Our quality lab operates independently from production and reports directly to management.

100%
Units pressure-tested
Every board, every chamber, every batch
<5%
Max allowable pressure drop
Over 24h at 18.0 PSI
AQL 2.5
Major defect threshold
Per ISO 2859 sampling standard
24h
Pressure hold duration
Every board, every chamber
18 PSI
Test pressure vs rated
Safety margin on every chamber
0%
Tolerance on safety defects
Valves, D-rings, seams, buoyancy

See our manufacturing process

Follow a SUP through every stage of production —from raw material to sea-ready board.

View production process →

Evidence & Verification

Factory Evidence — Verified

All manufacturing claims on this page are verified by our Manufacturing Engineering Team at the Laixi, Qingdao plant. Certificates, QC inspection records, pressure & structural test reports, and batch traceability records are available on request. Specifications last verified 2026-08.