Key features
• Skin-Contact Activation: Enables effortless, ergonomic operation and is widely preferred by patients.
• Differentiated Design: With clear audio feedback, a large viewing window, and a sleek design, it offers unique differentiation.
• Automated Production: As China’s first and only fully automated production line, it ensures consistent quality and cost-competitive pricing.
Customization & Partnerships: Adaptable to diverse patient demographics, with flexible service models including OEM/ODM collaborations for customized solutions.
Specifications
| Product Type | 0.5ml/1ml | 2.25ml |
| Compatible Container | 1 mL long ½” PFS① | 2.25ml Standard PFS② |
| Product Size | L: 155mm, D:19.5mm | L: 172mm, D:22mm |
| Volume | 0.2-1.0mL | 1.0-2.25mL |
| Viscosity | <30cP | |
| Injection Time | <15s | |
| Needle Insertion Depth | 6-8mm | |
| Injection Completion Feedback | Two-tone audible prompt (auditory), observation window (visual) | |
① With cut flange or small round flange.
② With small round flange.
Integrated Solutions & Partnerships
• Comprehensive Services: Validation, clinical sample development, and commercial product lifecycle support.
• End-to-End Expertise: R&D, production line integration, product testing, and competency-building training.
• Fast-Track Commercialization: Fully verified and validated, US FDA-registered facilities (DMF: 041467), and LOA compliance. Pioneering China’s Category A pharmaceutical packaging standards.
• OEM/ODM Flexibility: Exclusive IP, Customized designs, aesthetic customization, and end-to-end support from QA to cost-efficient manufacturing.
IP & Compliance
• Proprietary technology protected by 6 domestic patents and 2 PCT international patents and guarantees FTO-cleared commercialization.
Instructions
• Remove the pen cap, apply to the skin and then administer the injection by pressing.

About the Manufacturer
Suzhou Jingwei Medical Technology Co., Ltd. is a subsidiary of Suzhou Hengrui Medical Devices Co., Ltd. (Hengrui Medical). The ComforJet® 2-step Auto-Injector is our flagship product, fully developed and manufactured in-house by Jingwei Medical.