Durable reusable platform for cartridge-based delivery programs
Injection pen platform
WS-RF04 Aesthetic Medicine Pen — 3 mL Reusable, Peptide
WS-RF04 is a reusable 3 mL injection pen platform for B2B programs that need reliable dose control, comfortable handling, and flexible cartridge-based delivery.

Project quick facts
Model
WS-RF04
Size
3 mL reusable injection pen
Use
Multipurpose cartridge-based delivery
Customization
Color, logo, scale, and packaging review
Send these details for faster quotation
- Target cartridge dimensions and formulation
- Dose increment, maximum dose, and scale language
- Expected device life cycle and user workflow
- Branding, packaging, and annual volume plan
Dose and configuration matrix
Representative configuration references for early B2B review. Final parameters depend on formulation, cartridge, market, and validation requirements.
| Application | Cartridge / fill volume | Minimum unit dose | Total dose units | Dose range | Markings / scale |
|---|---|---|---|---|---|
| Insulin therapy | 3 mL user-replaceable cartridge | 0.01 mL review | 60-80 units | 0-0.8 mL program range | IU or unit-based dial scale |
| GLP-1 / metabolic programs | 3 mL cartridge | 0.01 mL or 0.0125 mL review | 30-74 units | 0-0.75 mL typical program range | mg, unit, or branded dose scale |
| Growth hormone | 3 mL cartridge | 0.005-0.02 mL review | Project-specific | 0-0.5 mL typical program range | mg, mcg, IU, or custom scale |
| Aesthetic medicine | 1.5 mL or 3 mL cartridge review | 0.005-0.02 mL review | Project-specific | 0-0.5 mL typical program range | Brand-specific scale and color system |
Specifications shown are for project evaluation and are finalized through sample review and technical confirmation.
General specifications
- Use Type
- Reusable
- Size
- 3 mL
- Materials
- Plastic and metal
- Compatible Applications
- Insulin, GLP-1, aesthetics, growth hormone
- Dose Control
- Configurable by program
Specifications shown are for project evaluation and are finalized through sample review and technical confirmation.
WS-RF04 supports B2B reusable pen injector programs that need a clear path from engineering sample to pilot packaging. Buyers typically validate cartridge interface expectations, dial torque feel, and labeling readiness before approving market artwork.
Because reusable pens stay with the user, complaint patterns often relate to long-term feel consistency. That is why sample notes and lot continuity matter as much as catalogue photos.
Share your application direction and volume band to discuss WS-RF04 specifications, OEM branding options, and documentation available for partner onboarding.
High-resolution detail views
Close-up reference images for structure, markings, color options, and finish evaluation during B2B sample review.

Overview
WS-RF04
WS-RF04 is a reusable 3 mL injection pen platform for B2B programs that need reliable dose control, comfortable handling, and flexible cartridge-based delivery.
Platform features
Platform features
Built for procurement teams evaluating device fit, partner documentation, and commercial rollout.
Configurable dose control concept for different therapy requirements
Comfortable handling feel suitable for long-term user programs
Supports partner review of specifications, samples, and documentation
User and program benefits
Focused details for sampling, training, partner review, and long-term supply planning.
Reusable pen body can support long-term therapy programs and repeat purchase cycles
Cartridge-based workflow helps partners separate drug supply and device supply planning
Dose dial, dose window, and remaining-dose concept can be reviewed by project
Handling supports programs where user retention and confidence matter
Useful for distributors managing multiple formulations on a common device family
Project documentation can support procurement, sampling, and onboarding review
Handling concept
Handling concept



Therapy applications
Customization and project support
Customization and project support
Custom manufacturing workflow
A practical OEM/ODM path from configuration review to samples, packaging, and commercial supply preparation.
Review cartridge type, dose increment, dial scale, expected life cycle, and market documentation needs
Confirm body materials, trim color, logo position, dose window, and dial markings
Coordinate sample evaluation, cartridge compatibility checks, packaging direction, and IFU planning
Prepare commercial communication for OEM/ODM supply, quality files, and export support
FAQ
Frequently asked questions
Quick answers on MOQ, customization, samples, and international shipping.
What is the MOQ for WS-RF04?
MOQ varies by model and customization. Contact sales for specific MOQ, lead time, and pricing for WS-RF04.
Can I get OEM branding on WS-RF04?
Yes. webosan supports OEM/ODM customization including color, logo, dose scale, and packaging for WS-RF04.
What cartridges or interfaces are compatible?
Compatibility depends on the platform. Share your cartridge type and target markets so we can confirm fit for WS-RF04.
Do you provide samples before bulk order?
Yes. Sample coordination is available. Contact sales@webosan.com for sample requests and shipping.
Discuss this product with webosan
WS-RF04
Share your WhatsApp, market, expected volume, and documentation needs. We will respond with specifications and next steps.
Sourcing guide
Injection pen manufacturer guide
Compare platforms, manufacturing flow, quality documentation, OEM/ODM scope, samples, and lead times before you lock a factory partner.
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