What We Do
End-to-End Vape Sourcing Services in china
Moving from concept to a market-ready product in the Pearl River Delta requires more than a sourcing agent. It requires a technical partner who understands the molecular and mechanical aspects of vaporization technology — and who is physically present when it matters most.
Vaprobe supports international vape brands with practical vape sourcing services in China, from early supplier selection to production follow-up and final shipment control. Our work covers hardware, disposables, pods, e-liquids, packaging, factory audits, product development support, quality control, and logistics coordination in the Pearl River Delta. Instead of acting as a simple buying agent, we help clients understand whether a supplier is technically capable, commercially reliable, and suitable for the target market. This makes the sourcing process more transparent and reduces the risk of quality fade between sample approval and mass production.
50-Point Audit Standard
Golden Sample Process
Boots on the Ground
TPD / PMTA Compliance
Our Services
Our Integrated Service Ecosystem
01
Specialized Vape Factory Audits
We don't just check business licenses. Our 50-point Vaprobe Standard audit ensures your production happens in a facility that respects international safety and quality standards.
What We Inspect
ISO Cleanroom Verification
Real-time testing of HEPA filters and air pressure differential in e-liquid filling areas.
Material Traceability
Verifying the origin and purity of PCTG plastics and heating alloy used in coil assemblies.
R&D Capability Assessment
Evaluating the factory's ability to handle custom PCB design and firmware updates.
02
Technical Product Development (R&D Bridge)
Bridging the gap between a Western brand's vision and Chinese engineering reality. We translate your specifications into actionable manufacturing blueprints.
The Engineering Focus
Coil & Wick Optimization
Matching juice viscosity to heating surface area to prevent dry hits and premature coil failure.
Tolerance Management
0.05mm precision checks on pod-to-device magnetic connections — eliminating leakage at the fit interface.
Firmware Debugging
Ensuring puff-activation sensors and LED displays operate without lag under real-world usage conditions.
03
Rigorous Quality Control & Compliance
Preventing quality fade by maintaining a permanent presence on the factory floor during mass production — from first shot to final carton.
In-Line & Final Inspection Protocols
Vacuum Leak Testing
Simulating high-altitude air pressure to ensure pods remain hermetically sealed during shipping.
Battery Cycle Stress-Tests
Verifying actual mAh capacity against advertised specifications using calibrated discharge cycling.
Regulatory Labelling (TPD / PMTA)
Compliance verification of health warnings, nicotine declarations, and child-proof packaging requirements.
04
Consolidation & Global Logistics
We act as your central hub in the PRD, collecting components from various specialists — batteries, packaging, hardware — to ensure a unified final shipment to your destination market.
How It Works
Inbound Receiving & Sorting
Components from multiple PRD suppliers are received, counted, and verified against your purchase orders at our Guangzhou hub.
Final Pre-Shipment Inspection
Complete review of assembled units, packaging compliance, and documentation before handoff to your freight forwarder.
Consolidated Global Shipping
Unified shipment coordination to MENA and EU destinations — one container, one customs declaration, one point of contact.
How We Work
The Vaprobe Roadmap
01
Intake & Specs
Defining your hardware requirements and target market compliance needs (TPD / PMTA).
02
Supplier Selection
Matching your volume and tech needs with our vetted Tier 1 & Tier 2 factory database.
03
Prototyping
Managing the sample loop until the Golden Sample is achieved and signed off by your team.
04
Mass Production & QC
Real-time oversight and boots-on-the-ground reporting throughout the full production run.
05
Master Consolidation
Final inspection and coordinated global logistics to your destination market.
Ready to Audit Your Next Manufacturing Partner?
Whether you are launching a new product, qualifying a new factory, or looking to close the gap between your golden sample and mass production — our team is on the ground in Guangzhou and ready to deploy.
Sneak Peek: Inside Our 50-Point Factory Audit Checklist
Our auditors evaluate 50 distinct checkpoints before grading a facility. Below is a selection of the critical engineering and compliance parameters we analyze during a live inspection:
| Category | Checkpoint Target | Vaprobe Strict Requirement |
|---|---|---|
| Environmental Control | Airborne Particulate Count | Verification of active ISO Class 7/8 particle filtration logs. |
| Environmental Control | ESD Wrist-Strap Monitoring | Live testing of automated continuous-grounding systems on the SMT line. |
| Environmental Control | Relative Humidity (RH) Levels | Maintained between 40%-60% to prevent static and e-liquid oxidation. |
| Hardware Engineering | Silicone Seal Durometer | Shore A hardness testing to verify elasticity against chemical degradation. |
| Hardware Engineering | Coil Resistance Variance | Automated batch testing ensuring variance does not exceed ±0.05Ω. |
| Hardware Engineering | Battery Cell Insulation | Physical check for micro-tears in PET heat-shrink tubing on lithium cells. |
| Supply Chain & Traceability | Incoming Component IQC | Audit of supplier-side acceptance sampling records (AQL 1.0 standard). |
| Supply Chain & Traceability | BOM Locking Protocols | Verification that the Bill of Materials cannot be altered without brand sign-off. |
| Supply Chain & Traceability | Defective Material Isolation | Presence of locked, physical "Red Bins" for rejected production parts. |
| Testing Protocols | Negative Pressure Simulation | Vacuum chamber pull at -0.03 MPa to simulate air-freight conditions. |
| Testing Protocols | High-Temperature Storage | Oven testing at 55°C for 48 hours to force-test structural plastic warp. |
| Regulatory & Legal | CE / RoHS Lab Alignment | Cross-matching certificate serials with third-party testing laboratory databases. |
Want the Full 50-Point Framework?
Don't leave your hardware security to chance. Request our complete, unedited 50-Point Technical Audit Template used by our field engineers in Guangdong.
Get the Full Checklist PDF →