Wholesale Insulin Pen Injectors — Accurate, Durable, OEM-Ready
R&G Bio manufactures reusable insulin pen injectors for insulin brands, pharmacies and medical distributors — accurate daily dosing in a durable, patient-friendly device.
A medical-grade mechanical core delivers precise dose increments up to 60IU with standard 3ml cartridges — smooth dialing, a clear dose window and a robust metal body built for years of daily use.
Every sterile item is EO gas sterilized, batch-coded for full traceability, and produced in Class 100,000 cleanrooms under an ISO 13485 quality system. Review our certifications and compliance documents and see how we manufacture before you place a bulk order.
We support full OEM/ODM programs — custom specifications, private labeling and packaging built around your brand, with factory-direct MOQs and tiered wholesale pricing.
Explore the Pen Injector Range
Our reusable pen injector is built for insulin brands and distributors who need accurate dosing, long service life and full OEM support.
Where the Pen Injector Fits

Daily Diabetes Care
Accurate 60IU dosing with a clear window and smooth dialing — confident self-injection, day after day.

Clinics & Pharmacies
A durable, reusable device that stands up to demonstration, training and daily dispensing environments.

Your Own Brand — OEM
Launch a branded pen injector line with custom colors, logo, dose scale and retail packaging from one factory.
Product Specifications & MOQ
| Dose range | Up to 60IU in precise increments |
| Cartridge | Standard 3ml insulin cartridge |
| Body | Reusable metal body with clear dose window |
| Quality system | ISO 13485 certified factory, batch traceable |
| MOQ | Contact us for wholesale tiers and evaluation units |
| OEM | Colors, logo, dose scale, retail packaging and kits |
Our Certifications
R&G Bio is an integrated manufacturer with verified FDA registration, ISO 13485 / ISO 9001 certification and EU RoHS compliance — the documentation your market actually requires.
Customization — OEM / ODM Services
Launch your own branded pen injector: custom device colors, logo engraving, dose scale design and full retail packaging. Our engineering team supports you from design draft to mass production with factory-direct MOQs.
Frequently Asked Questions
Find Expert insights
About R&G Bio
Built on Precision.
Trusted Globally.
Where Precision Meets Medical-Grade Standards
ISO 13485 certified facility with ISO Class 100,000 cleanrooms. 316L surgical steel, complete traceability.
End-to-End Manufacturing Control
From needle configuration to sterile packaging, every step is precision-controlled with automated assembly and batch tracking.
Meeting International Regulatory Standards
CE Mark, FDA Registered, KFDA Approved, ISO 13485, RoHS Compliant. Full documentation for global market entry.
Trusted Tattoo Needle Manufacturer Since 2009
15+ years serving 50+ countries with premium cartridge tattoo needles and flexible OEM/ODM solutions.
OEM / ODM SERVICES
Contact us for wholesale pricing and custom configurations
Get In Touch
Request a Quotation
Tell us about your requirements and our team will respond within 24 hours with a detailed quote including pricing, lead times, and customization options.








